Наверное так:
1,I am going to play chess.Tom says that he is going to play chess.Tom said that he was going <span>to play chess. 2.I am happy to see you. She says that she is happy to see his. She said that she was happy to see his. 3 We are cleaning our classroom. The boys say that they are cleaning their classroom. The boys said that they were cleaning their classroom.</span>
1.правильно 2.неправильно ответ plays 3.правильно 4.правильно 5.правильно
My mother work five days for a week.
We usually clean our flat at weekend.
He invited a lot of friends yesterday.
Kate didnt dance very well at last year.
Did Ben play football last week?
I always celebrate my birthday.
Betty likes going to the cinema very much
He wants help me with my homework today.
Mary usually visits her friends on sunday.
1 four
2 dummer holidays
3 begin in June and finish in Augist
4 everywhere
5 to Nizhny Novgorod