V.
1.b->could (câu ước loại 2)
2.b->beautiful (look, seem, taste,....+adj)
3.c->to have (S + seem + adj ( + for O ) + to V_inf)
4.a->went (có "last week" là dấu hiệu thì QKĐ)
5.b->ask (S + used to + V_inf : Ai đó đã từng làm gì)
VI.
1.Tom gave up smoking. (câu ước loại 2)
2.boring that we turned off the light and went to bed. (S+tobe+so+adj+that+clause)
3.us a whole day to look for these old pictures. (It+took+sb+time+to V_inf)
4.is very interesting to learn a foreign language. (It's+adj+(for sb)+to V_inf)
5.taking a taxi, Tom was still late for the party. (In spite of/Despite+N_phrase/V_ing:Mặc dù....)
6.stay at home. (S+would rather (not)+V_inf)
