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Know + object + verb form (follow-up question)

English grammar help. Grammar questions from ESL learners

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Know + object + verb form (follow-up question)

Postby Rustamsher » Wed Sep 18, 2013 12:25 pm

I have learnt that the following structure is possible:

has/have known + object + (to) do


(a) I've never known him pay for a drink.
(b) I've never known him to pay for a drink.,

..the sentences above are both grammatically correct.

As regards the following sentences:

1. I never knew him do anything illegal.
2. I never knew him to do anything illegal.

only #2, as you said, is correct,

Question: Is the structure in bold is true when the verb know is used in the perfect aspect, that is, both the full infinitive and bare infinitive are used? In simple tenses, only the infinitive with to is used, isn't it?

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Re: Know + object + verb form (follow-up question)

Postby Alan » Thu Sep 19, 2013 4:03 am

Yes, that certainly seems to be the case, although many might feel that (a) is informal in style and that insertion of 'to' would still be preferable for formal purposes.
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