Ex4: Find and correct the mistake
1. We didn’t used to have a colorful TV, but we do now.
A. didn’t B. used to C. have. D. do
2. When my baby sister is younger, she didn’t use to eat pizza.
A. younger B.didn’t use to. C.eat
3. It’s about 500 meters at my house to school.
A. It’s about B. meters C.at. D.to
2 câu trả lời
`1.` Mistake : used
Correct : use
Cấu trúc : used to V : quen với việc làm gì trong quá khứ
Dạng phủ định : didn't use to V
`2.` Mistake : is
Correct : was
Câu đang trong bối cảnh quá khứ `->` chuyển "is" thành "was"
`3.` Mistake : at
Correct : from
Cấu trúc : t's + (about) + khoảng cách from + địa điểm + to + place
$\text{1.}$ used to → use to
→ S + didn't + use to + V-inf + O
$\text{2.}$ is → was ( đề thiếu )
→ Thì Quá Khứ Đơn - sự việc đã xảy ra trong quá khứ
→ S + was/were + ...
$\text{3.}$ at → from
→ It's + (about) + distance + from + place + to + place
$#Keisha$
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