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Anonymous Posted 11 years ago
Grammar

Can he does?

When I use "can" as a modal verb in a phrase, and I use the verb "to do" in third person, like he/she/it, I use "do" or "does", examples;

"He can do it" or "He can does it."

"Can he do it?" or " Can he does it".

Because "can" is a modal verb and isn't an auxiliar, or am I wrong?

I'm brazilian and I'm learning English. thanks Emotion: stick out tongue
  

Top answer

Verbs following "can" are in the base (uninflected) form. The same is true of all modals. He can do it.

— GPY

  • Verbs following "can" are in the base (uninflected) form.
  • The same is true of all modals.
  • He can do it.
  • Can he do it?
  • You must be John.
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4 Answers
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Verbs following "can" are in the base (uninflected) form. The same is true of all modals.

He can do it.
Can he do it?
You must be John.
Would she agree?
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Thanks, you helped me a lot.
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Anonymous"can" is a modal verb and isn't an auxiliary, or am I wrong?
I'm sorry to say that you're wrong on this one.

"can" is a modal verb, but all modal verbs are auxiliaries. They're called "modal auxiliaries". All modal verbs are followed by plain (uninflected) verb forms. (can do, must do, should go, may go
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