Cấu trúc thì quá khứ đơn ( Simple past tense )
câu khẳng định : ( + ) S + V_2 / ed + O.
câu phủ định : ( - ) S + did not / didn't + V + O.
câu nghi vấn : ( ? ) Did + S + V + O ?
1. went 2. drove
3. arrive - was 4. asked - had
5. said 6. told
7. walked 8. saw
9. stopped - bought 10. was
cho mik ctlhn nha >.<( do mik sắp lên hạng rồi kkk )