english grammar

Form a negative sentence using the given words to change the correct tenses
1. do/anything
Why don't you ask Pete to go with you? HE doesn't have anything to do this afternoon.

2. be /keen on horror films
Sam offered to take Sarah to see the film,'Dracula'. Sarah said no because she was not keen on horror films.

3. pack/yet
They can't have dinner with us tonight. They need to catch an early flight tomorrow and they have not packed yet.

4. refund/ their money
They're frustrated. The travel agency did not refund their money as promised,

5. finish/it
She asked me if she could keep the book a little longer because she hadn't finished it.

6. take/my advice
I told him not to wear jeans to the interview, but he didn't take my advice.

7. be/ back
My grandparents are in Guangzhou. They will not be back until the end of the month.

1.He doesn't want to do anything this afternoon.
2.Sarah said no because she was keen on horror films.
3. and they haven't packed yet.
4.The travel agent doesn't refund their money as promised.
5. because she has'nt finished it.
6. but he didn't take my advice.
7. They won't be back until the end of the month.

Dear student,Notice From negative past tense;- dont---doesnt---didnt are the method to change to past tense. The answers are:-
(1)dont,.....doesnt
(2) offered to take, not keen
(3) not packed yet
(4) did not refund
(5) hadnt finished
(6) didnt take
(7) not be back....
It is only by past tense that even harder past tense could be solved or made. Best of wishes.Work hard and enjoy yourselves. Toming88