II. Change these words into past form. (Viết dạng quá khứ của các động từ sau)
1. visit:....................................... 9. order :...........................................
2. work: ......................................... 10. Read:.........................................
3. Find:........................................ 11. Hear:........................................
4. Meet:...................................... 12. Can..........................................
5. Think................................... 13. Lose:........................................
6. Is/am: .................................. 14. Stand:......................................
7. Play: .................................. 15.Walk........................................
Watch.................................. 16.exchange ..................................
visited
2worked
3found
4met
5thought
6was/were
7played
9ordered
10read
11heard
12could
13lost
14standed
15walked
16exchanged
visited
worked
found
met
thought
was/were
played
watched
ordered
read
heard
could
lost
stood
walked
exchanged
II. Change these words into past form. (Viết dạng quá khứ của các động từ sau)
1. visit:...................visited.................... 9. order :..................ordered.........................
2. work: ..................worked....................... 10. Read:...............read..........................
3. Find:......................found.................. 11. Hear:.............heard...........................
4. Meet:...................met................... 12. Can...................could.......................
5. Think.....................thought.............. 13. Lose:...................lost.....................
6. Is/am: .....................was............. 14. Stand:..............stood........................
7. Play: .....................played............. 15.Walk................walked........................
Watch..................watched................ 16.exchange ...............exchanged...................
1visited
2worked
3found
4met
5thought
6was/were
7played
9ordered
10read
11heard
12could
13lost
14standed
15walked
16exchanged
1. visited
2. worked
3. found
4. met
5. thought
6. was/were
7. played/watched
9. ordered
10. read
11. heard
12. could
13. closed
14.standed
15. wolk
16. exchanged