重点8 . 与used to 相关知识总结
1）used to do sth 过去常常做某事（现在已经不再如此）
例句：
There used to be an old temple here.
He used to be late when he was in Grade One.
He usedn’t [didn’t use] to come.
The river usedn't
to be clean.
Did you use(d) to be a teacher?
Yes, I used . No , I usedn’t
You used to go there, usedn’t /didn’t you?
There used to be a cinema here, use(d)n’t there?
Did people use to think that the earth was flat?
I used to swim in the lake near my village when I was young.
2）be used to sth/doing习惯于做某事
例句：
My grandpa is used to going for a walk after dinner
He is used to looking after himself
I am not used to being spoken to in that rude way.
I used to stay late in bed when I was young, but now I am used to getting up early every morning
3）be used to do 被用于…
例句：
Wood can be used to make paper.
In the past ,oil is used to give light.
练习：