2. simple past tense: quá khứ đơn

`**` was: he, she, it , danh từ số ít

`**` were : they , we, you , danh từ số nhiều

`+` S + was / were ( not ) + ...

`+` Was/ were + S + ... ?

`+` S + Ved/ V bất quy tắc

`+` S + did not + Vinf

`+` did + S + Vinf + O?

Bài tập

1. didn't bring

`-` DHNB: last night

2. Did you hear

`-` DHNB: yesterday morning

3. was / didn't see

`-` DHNB: yesterday

4. didn't speak

5. understood

6. forgot

7.were you

`-` DHNB: three days ago

8. didn't lose

`-` DHNB: Last friday

9. did you swim

`-` DHNB: yesterday afternoon

10.gave

`->` DHNB: last birthday

1. didn't bring (DHNB: last night)

2.Did you hear (DHNB: yesterday morning)

3.was, didn't see (DHNB: yesterday)

4.didn't speak (DHNB: when)

5.understood. 

6.forgot. (DHNB: when)

7.were you. (DHNB: ago)

8.didn't lose. (DHNB: last Friday)

9.swam. (DHNB: yesterday afternoon)

10.gave ( DHNB: last birthday)

#dechuong2k10