I. chia động từ trong ngoặc ở thì quá khứ hoàn thành
1. he ( clean ) the house by the time her mother ( come ) back
2. Almost every body ( leave ) by the time we ( arrive )
3. he ( wonder ) whether he ( leave ) his vallet at home
4. she already ( post ) the letter when she ( realize ) she ( send ) it to the wrong address
5. he ( not eat ) until his parents ( come ) home
6. she ( tell ) me she never ( meet ) him
7. they ( be ) out for an hour when it ( start ) to rain
8. our guests ( be ) still here when he ( come ) back from school
1.Had leaned/came
2.had left/arrived
3.had wondered/left
4.had posted/realized/had sent
5.hadn't eaten/came
6.had told/met
7.had been/started
8.had been/came
I. chia động từ trong ngoặc ở thì quá khứ hoàn thành
1. he will have cleaned ( clean ) the house by the time her mother comes ( come ) back
2. Almost every body will have left ( leave ) by the time we arrive ( arrive )
3. he wondered ( wonder ) whether he had left ( leave ) his vallet at home
4. she had already posted ( post ) the letter when she realized ( realize ) she had sent ( send ) it to the wrong address
5. he doesn't eat ( not eat ) until his parents come ( come ) home
6. she told ( tell ) me she had never met ( meet ) him
7. they had been ( be ) out for an hour when it started ( start ) to rain
8. our guests will be ( be ) still here when he comes ( come ) back from school
