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Paint teal 866 Posted 9 years ago
Grammar

A grammar question

Hi,

I'm preparing for the TOEFL, and one of the questions reads as follows:

"Coffee contains caffeine and so does tea."

According to the answer key, "does" is the auxiliary verb, and "tea" is the subject.

Can someone tell me why "coffee" is not the subject, and why "does" is the auxiliary?

Thanks

  

Top answer

There are two clauses. Clause 1: Coffee contains caffeine. This is a main clause where coffee is the subject and contains is the verb.

— AlpheccaStars

  • There are two clauses.
  • Clause 1: Coffee contains caffeine.
  • This is a main clause where coffee is the subject and contains is the verb.
  • Clause 2: and so does tea.
  • This is a clause with a special inverted subject-verb structure after so .
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1 Answers
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There are two clauses.

Clause 1: Coffee contains caffeine. This is a main clause where coffee is the subject and contains is the verb.

Clause 2: and so does tea. This is a clause with a special inverted subject-verb structure after so. The main verb (contain) is implied - it is carried over from clause 1 and not repeated.

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