Choose the corect answer my hair is dirty

see(1форма)-saw(2 форма)-seen(3 форма)

fly(1форма)- flew(2 форма) - flown(3 форма)

go(1 форма)-went(2 форма)-gone(3 форма)

put-put-put - (у этого глагола все 3 формы одинаковые)

have(1 форма)-had(2 форма)-had(3 форма)

take(1 форма)-took(2 форма)-taken(3 форма)

say(1 форма)-said(2 форма)-said(3 форма)

give(1 форма)-gave(2 форма)-given(3 форма)

я тебе все три формы не путаться)

1. the boys are playing football now. they are tired. they have been playing football an hour and a half.

2) tom began talking on the phone an hour ago. i think he should finish. he has been talking on the phone for more than an hour already.

3) roy came to see  the dentist at nine o`clock. it is 9: 30 now.

roy has been waiting for the doctor since 9: 00 a.m.

4) colin became a professor in 1998. he has been working at the university since he became a professor.

5) the greens went to canada last summer. they are living in canada now. they have been living in canada for about a year.