VIII. Write a new sentence that has the opposite meaning with the first one. Use “used to” and “did not use to” Example 1. This town is so ugly => It used to be pretty. Example 2 There are so many tourists. => There didn’t use to be any tourists. 1. The houses are very expensive. … 2. The streets are dirty. … 3. There is so much litter on the streets. … 4. The car parks are always full. … 5. There is a lot of traffic on the roads.

`1` The houses used to be very expensive

`2` The streets didn't use to be dirty

`3` There didn't use to be so much litter on the streets

`4` The car parks used to be always full

`5` There didn't used to be a lot of traffic on the roads

Giải thích

Cấu trúc

`(+)` S + used to + V-inf

`(-)` S + didn't + used to + V-inf

`(  ?  )` Did + S + used to + V-inf ?

`1.` The houses used to be very expensive.

`2.` The streets didn't use to be dirty.

`3.` There didn't use to be so much litter on the streets.

`4.` The car parks used to be always full.

`5.` There didn't use to be a lot of traffic on the roads.

`------------->`

`+)` Cấu trúc:

`( + )` S + used to + Vo ( động từ nguyên mẫu ) + O

`( - )` S + didn't use to + Vo ( động từ nguyên mẫu ) + O

`( ? )` Did + S + use to + V +O?

`->` Dùng để diễn tả thói quen trong quá khứ và đã chấm dứt ở hiện tại