Ex1:

1)-Hoa didn't go to school yesterday.

-Did hoa go to school yesterday?

2)-Nhung and Thu didn't listen to music last night.

-Did Nhung and Thu listen to music last night?

3)-This morning, we didn't play football in the schoolyard.

-This morning,did you play football in the yard?

4)-My father didn't work in the hospital in 2008.

-Did your father work in the hospital in 2008?

5)I didn't my homework last night.

-Did you do your homework last night?

CHÚC BẠN HOK TỐT!!!

Ex1:

 1. Câu phủ định: Hoa didn't go to school yesterday.

     Câu nghi vấn: Did Hoa go to scool yesterday ?

 2. câu phủ định: nhung and thu didn't listen to music last night.

    câu nghi vấn : Did nhung and thu listen to music last night ?

 3. câu phủ định: This morning we didn't play football at our schoolyard.

     câu nghi vấn: Did we play football at our schoolyard this morning?

 4. câu phủ định: My father didn't work in the hospital in 2008.

     Câu nghi vấn: Did your father work in the hospital in 2008?

 5. Câu phủ định: I didn't do my homework last night.

     Câu nghi vấn: Did my homework do last night?

Ex2:

 tobe-was/were                                  read-read

 do-did                                               cut-cut

 go-went                                            love-loved

 have-had                                          meet-met

 listen-listened                                  see-saw

 come-came                                     give-gave

 buy-bought                                     visit-visited

 wash-washed                                   leave-left

 clean-cleaned                                  drive-drove

 get-got                                             ask-asked

Ex3:

 1. went                                          9. stopped/bought

 2. drove                                       10. was

 3. arrived/was                              11. didn't go

 4. asked/had                                12. Did she get ........?

 5. said                                          13. did/did

 6. told                                           14. loved

 7. walked                                      15. got/had

 8. saw