[Alslamo alykom] Hello every body.
I'am working in improving my english languge these days. And I decide that sharing you all information which I think it's usefull. and remember that i'am a begineer.

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The verbs "make" and "let" are followed by an object and the infinitive without "to": They can't make you work late.
She made him do the exercise again.
She lets the students sing in class.
His parents let him paint his room black. Be careful: in the passive, "make" is followed by the infinitive with "to" They were made to do the exercise again.
Other verbs not followed by the infinitive + to Modal verbs (can, will, would, etc) are followed by the infinitive without "to" I can see him clearly.
They will leave early tomorrow.
If I were you, I would talk to her.
"See / hear / watch someone" followed by the infinitive without "to" then sentence means See / hear / watch all action She saw the girl steal the money. (She saw all the action of stealing.)
I heard him tell her about the party." (I heard all about the party.)
I watched them do the exercise. (I watched them complete the exercise.)
But remember: If you follow these verbs (See / hear / watch) with the gerund form (ing), you only see part of the action. She saw him talking to the teacher. (She didn't see the whole conversation.) The end 