Irregular verbs (2)

Раскрой скобки, используя Present Perfect.
The lesson (already begin).The lesson has already begun.
The birds (already fly) to the south.The birds have already flown to the south.
I (already draw) a picture.I have already drawn a picture.

The flowers (already grow) in the garden.The flowers have already grown in the garden.
We (already know) him for three years.We have already known him for three years.
Jack (already see) this film.Jack has already seen this film.