Unit 4 I used to be afraid of the dark
Grammar & WritingYou used to be short, didn’t you
Mario used to be
Amy used to be
Tina used to have
He used to be really short
He used to be so shy and quiet
Read the sentences below and pay attention to the underlined parts
GrammarGrammarI used to be afraid of the dark
“used to + 动词原形”表过去的习惯或过去经常反复发生的动作或状态,但现在已经不再存在了
可用于所有人称
否定形式为: used not to + do 或: didn’t use to do 疑问形式为: Used … to …
或: Did … use to …
I didn’t use to be popular in school
Did he use to be short
/ Used he to be short
He didn’t use to be short
/ He used not to be short
You used to be quiet, didn’t you
你以前很文静,是不是
反意疑问句 : 陈述句 , didn’t / usedn’t +主语
used to do sth
“”表示 过去常常做某事 ,只表示过去和现在对比,暗示现在不做了
to 为动词不定式符号, 后接动词原形
g: 他过去常常六点去上学
He used to go to school