He does

English grammar help. Grammar questions from ESL learners

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patryn
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Joined: Wed Jan 09, 2013 3:28 am
Status: English Teacher

He does

Postby patryn » Wed Jan 09, 2013 3:58 am

Hello all,

couldn't find a previous topic about this on other sites and this one so consider this:

"Who teaches John piano on Sundays?"
"Michael does."

This sounds correct and all, but why does it sound incorrect when I try and use the following:
"Who teaches John piano on Sundays?"
"Michael teaches."

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Alan
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Location: Japan

Re: He does

Postby Alan » Thu Jan 10, 2013 7:26 am

'Teach' is a transitive verb and therefore requires an object (Michael teaches HIM, etc.)

However, when a verb is replaced by 'do' as a pro-form, objects and complements are not included.


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