E.g. You could have seen the house from there if it had not been so dark.
Permission
E.g. You can take my umbrella. Siz meni soyabonimni olishingiz mumkin
Can in this meaning is found in affirmative sentences, interrogative sentences in which a request is expressed, and in negative sentences where it expresses prohibition.
In this meaning can is combined with the simple infinitive.
The form could with reference to the present is found only in interrogative sentences in which it expresses a more polite request.
E.g.Could I use your car?
The form could is found in reported speech (i.e. in accordance with the rules of the sequence of tenses).
E.g. He said that I could use his car.
He asked me if he could use my car.
uncertainty, doubt
E.g.Can it be true? Bu to`g`ri bo`lishi mumkinmi?
In this meaning can is found only in interrogative sentences (in general questions). Besides, sentences of this kind are often emotionally colored and so their application is rather restricted.
Depending on the time reference, can in this meaning is used in combination with different forms of the infinitive.
Thus, if reference is made to the present, the simple infinitive is found with static verbs.
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