I - 1 is, 2 - is, 3 - are, 4 - am, 5 - are, 6 - are, 7 - is
II - she, it, it, they, its, she, we, тут не совсем понятно задание.
III - 1 - I have got a red bike
2 - we are not funny
3 - she is a teacher
4 - my friend wants to be a pilot
5 - her name is Helen
IV - teacher, doctor, aunt, pupil, worker, grandfather,