| E.g. She could have explained the mystery.
possibility due to circumstances.
E.g. You can see the forest through the other window. Siz o`rmonni derazadan ko`ra olasiz
We can use either the Present Perfect of the Present Perfect Continuous in this sentence.
In this meaning can is found in all kinds of sentences. It is followed by the simple infinitive and it refers the action to the present of future.
E.g. You can obtain a dog from the Dog’s Home.
Can we use the indefinite article with this noun?
We can’t use the indefinite article with this noun.
In past-time contexts the form could is used. It is followed by the simple infinitive in this case.
E.g. You could see the forest through the other window before the new block of houses was erected.
The form could in combination with the simple infinitive may also express unreality with reference to the present of future.
E.g. You could see the houses from here if it were not so dark.
In combination with the perfect infinitive, could indicate that the action was not carried out in the past.
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