VI. Chia các động từ trong ngoặc:
1) We (study) ...............a very hard lesson the day before yesterday............................
2) We (study) ................................................almost every lesson in this book so far.................
3) We (never/ watch)..........................that television program ...........................
4) We (watch) .....................an interesting program on television last night ...............
5) My wife and I ........................................(travel) by air many times
6) My wife and I (travel).................................. to Mexico by air last summer
7) I (read) ..................that novel by Hemingway sevaral times before.
8) I (read) .........................that novel again during my last vacation.
9) I (have) .........................a little trouble with my car last week.
10) However,I (have )......................... no trouble with my car since then.
VI. Chia các động từ trong ngoặc:
1) We (study) .......studied........a very hard lesson the day before yesterday............................
2) We (study) .....................have studied...........................almost every lesson in this book so far.................
3) We (never/ watch).............have never watched.............that television program ...........................
4) We (watch) ...........watched..........an interesting program on television last night ...............
5) My wife and I ................have travelled........................(travel) by air many times
6) My wife and I (travel)...............travelled................... to Mexico by air last summer
7) I (read) ............have read ......that novel by Hemingway sevaral times before.
8) I (read) .............read............that novel again during my last vacation.
9) I (have) ..............had...........a little trouble with my car last week.
10) However,I (have )..........haven't had............... no trouble with my car since then.