English Grammar Problem [on hold]












-2















Rubber ________ from vulcanized silicones with a high molecular weight is difficult to distinguish from natural rubber.



(a) is produced
(b) producing
(c) that produce
(d) produced



What's the best answer and why? Thank you.










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put on hold as off-topic by FumbleFingers, Cascabel, choster, Mitch, tchrist yesterday


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  • I'm flagging this as off-topic ("no research / ELL"). Our Help Centre says "Be sure to mention the research you've done and what you're still hoping to learn!" For further guidance, see How to Ask and take the EL&U Tour :-)

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-2















Rubber ________ from vulcanized silicones with a high molecular weight is difficult to distinguish from natural rubber.



(a) is produced
(b) producing
(c) that produce
(d) produced



What's the best answer and why? Thank you.










share|improve this question







New contributor




Active Reddevil is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











put on hold as off-topic by FumbleFingers, Cascabel, choster, Mitch, tchrist yesterday


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "Please include the research you’ve done, or consider if your question suits our English Language Learners site better. Questions that can be answered using commonly-available references are off-topic." – FumbleFingers, Cascabel, choster, Mitch, tchrist

If this question can be reworded to fit the rules in the help center, please edit the question.












  • 2





    We're not here to do your homework for you. What research have you done? Which answer do you think is right, and why?

    – FumbleFingers
    yesterday











  • I'm flagging this as off-topic ("no research / ELL"). Our Help Centre says "Be sure to mention the research you've done and what you're still hoping to learn!" For further guidance, see How to Ask and take the EL&U Tour :-)

    – Chappo
    yesterday














-2












-2








-2








Rubber ________ from vulcanized silicones with a high molecular weight is difficult to distinguish from natural rubber.



(a) is produced
(b) producing
(c) that produce
(d) produced



What's the best answer and why? Thank you.










share|improve this question







New contributor




Active Reddevil is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












Rubber ________ from vulcanized silicones with a high molecular weight is difficult to distinguish from natural rubber.



(a) is produced
(b) producing
(c) that produce
(d) produced



What's the best answer and why? Thank you.







grammar






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asked yesterday









Active ReddevilActive Reddevil

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11




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put on hold as off-topic by FumbleFingers, Cascabel, choster, Mitch, tchrist yesterday


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "Please include the research you’ve done, or consider if your question suits our English Language Learners site better. Questions that can be answered using commonly-available references are off-topic." – FumbleFingers, Cascabel, choster, Mitch, tchrist

If this question can be reworded to fit the rules in the help center, please edit the question.







put on hold as off-topic by FumbleFingers, Cascabel, choster, Mitch, tchrist yesterday


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "Please include the research you’ve done, or consider if your question suits our English Language Learners site better. Questions that can be answered using commonly-available references are off-topic." – FumbleFingers, Cascabel, choster, Mitch, tchrist

If this question can be reworded to fit the rules in the help center, please edit the question.








  • 2





    We're not here to do your homework for you. What research have you done? Which answer do you think is right, and why?

    – FumbleFingers
    yesterday











  • I'm flagging this as off-topic ("no research / ELL"). Our Help Centre says "Be sure to mention the research you've done and what you're still hoping to learn!" For further guidance, see How to Ask and take the EL&U Tour :-)

    – Chappo
    yesterday














  • 2





    We're not here to do your homework for you. What research have you done? Which answer do you think is right, and why?

    – FumbleFingers
    yesterday











  • I'm flagging this as off-topic ("no research / ELL"). Our Help Centre says "Be sure to mention the research you've done and what you're still hoping to learn!" For further guidance, see How to Ask and take the EL&U Tour :-)

    – Chappo
    yesterday








2




2





We're not here to do your homework for you. What research have you done? Which answer do you think is right, and why?

– FumbleFingers
yesterday





We're not here to do your homework for you. What research have you done? Which answer do you think is right, and why?

– FumbleFingers
yesterday













I'm flagging this as off-topic ("no research / ELL"). Our Help Centre says "Be sure to mention the research you've done and what you're still hoping to learn!" For further guidance, see How to Ask and take the EL&U Tour :-)

– Chappo
yesterday





I'm flagging this as off-topic ("no research / ELL"). Our Help Centre says "Be sure to mention the research you've done and what you're still hoping to learn!" For further guidance, see How to Ask and take the EL&U Tour :-)

– Chappo
yesterday










1 Answer
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1














The verb in this sentence is the word 'is' appearing right before 'difficult'.



The predicate is 'difficult to distinguish from natural rubber'.



The subject is what comes before, namely 'Rubber ____ from vulcanized silicone with high molecular weight', which is composed of a noun 'Rubber' followed by what is expected to be a relative clause and more specifically a restrictive relative clause. In other words, '____ from vulcanized silicone with high molecular weight' is supposed to restrict the meaning of the noun 'Rubber'. It is not an arbitrary rubber what the sentence is referring to, it is a special type of rubber.



Therefore, the proper choice is (d), which is a participle. One of the uses of a participle is precisely forming these relative clauses.





'Producing', as a present participle, could also form the restrictive subordinate clause, if there word 'from' were not forced to follow it. For example, 'Rubber producing vulcanized silicone with a high molecular weight is difficult to distinguish from natural rubber'. Of course, ignoring the veracity of such a claim, and looking only at the structure of the sentence. Since we have 'from' in the sentence, then (b) doesn't fit.






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    1 Answer
    1






    active

    oldest

    votes








    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    1














    The verb in this sentence is the word 'is' appearing right before 'difficult'.



    The predicate is 'difficult to distinguish from natural rubber'.



    The subject is what comes before, namely 'Rubber ____ from vulcanized silicone with high molecular weight', which is composed of a noun 'Rubber' followed by what is expected to be a relative clause and more specifically a restrictive relative clause. In other words, '____ from vulcanized silicone with high molecular weight' is supposed to restrict the meaning of the noun 'Rubber'. It is not an arbitrary rubber what the sentence is referring to, it is a special type of rubber.



    Therefore, the proper choice is (d), which is a participle. One of the uses of a participle is precisely forming these relative clauses.





    'Producing', as a present participle, could also form the restrictive subordinate clause, if there word 'from' were not forced to follow it. For example, 'Rubber producing vulcanized silicone with a high molecular weight is difficult to distinguish from natural rubber'. Of course, ignoring the veracity of such a claim, and looking only at the structure of the sentence. Since we have 'from' in the sentence, then (b) doesn't fit.






    share|improve this answer










    New contributor




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      1














      The verb in this sentence is the word 'is' appearing right before 'difficult'.



      The predicate is 'difficult to distinguish from natural rubber'.



      The subject is what comes before, namely 'Rubber ____ from vulcanized silicone with high molecular weight', which is composed of a noun 'Rubber' followed by what is expected to be a relative clause and more specifically a restrictive relative clause. In other words, '____ from vulcanized silicone with high molecular weight' is supposed to restrict the meaning of the noun 'Rubber'. It is not an arbitrary rubber what the sentence is referring to, it is a special type of rubber.



      Therefore, the proper choice is (d), which is a participle. One of the uses of a participle is precisely forming these relative clauses.





      'Producing', as a present participle, could also form the restrictive subordinate clause, if there word 'from' were not forced to follow it. For example, 'Rubber producing vulcanized silicone with a high molecular weight is difficult to distinguish from natural rubber'. Of course, ignoring the veracity of such a claim, and looking only at the structure of the sentence. Since we have 'from' in the sentence, then (b) doesn't fit.






      share|improve this answer










      New contributor




      mama is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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        1












        1








        1







        The verb in this sentence is the word 'is' appearing right before 'difficult'.



        The predicate is 'difficult to distinguish from natural rubber'.



        The subject is what comes before, namely 'Rubber ____ from vulcanized silicone with high molecular weight', which is composed of a noun 'Rubber' followed by what is expected to be a relative clause and more specifically a restrictive relative clause. In other words, '____ from vulcanized silicone with high molecular weight' is supposed to restrict the meaning of the noun 'Rubber'. It is not an arbitrary rubber what the sentence is referring to, it is a special type of rubber.



        Therefore, the proper choice is (d), which is a participle. One of the uses of a participle is precisely forming these relative clauses.





        'Producing', as a present participle, could also form the restrictive subordinate clause, if there word 'from' were not forced to follow it. For example, 'Rubber producing vulcanized silicone with a high molecular weight is difficult to distinguish from natural rubber'. Of course, ignoring the veracity of such a claim, and looking only at the structure of the sentence. Since we have 'from' in the sentence, then (b) doesn't fit.






        share|improve this answer










        New contributor




        mama is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.










        The verb in this sentence is the word 'is' appearing right before 'difficult'.



        The predicate is 'difficult to distinguish from natural rubber'.



        The subject is what comes before, namely 'Rubber ____ from vulcanized silicone with high molecular weight', which is composed of a noun 'Rubber' followed by what is expected to be a relative clause and more specifically a restrictive relative clause. In other words, '____ from vulcanized silicone with high molecular weight' is supposed to restrict the meaning of the noun 'Rubber'. It is not an arbitrary rubber what the sentence is referring to, it is a special type of rubber.



        Therefore, the proper choice is (d), which is a participle. One of the uses of a participle is precisely forming these relative clauses.





        'Producing', as a present participle, could also form the restrictive subordinate clause, if there word 'from' were not forced to follow it. For example, 'Rubber producing vulcanized silicone with a high molecular weight is difficult to distinguish from natural rubber'. Of course, ignoring the veracity of such a claim, and looking only at the structure of the sentence. Since we have 'from' in the sentence, then (b) doesn't fit.







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        edited yesterday





















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        answered yesterday









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