情態動詞used to在句子中的用法

一、Used to表示過去的習慣動作或狀態，現在已不存在，在間接引語中，其形式可不變。如：
1.He told us he used to play football when he was young.
他告訴我們他年輕時經常踢足球。
2.I weigh less than I used to.
我的體重比以前輕了。
3.He is used to eating out all the time.
他已經習慣在外面吃飯了。
4.You'll get used to it.
你會習慣的。
5.Are you used to the food here?
你習慣吃這兒的飯菜嗎？
6.I used to get up early and take an hour's walk before breakfast.
我過去常常起牀很早並且在早餐前散步一小時。
7.Women used to think they were on the shelf at 30.
過去女人一到30歲就認爲是過了結婚年齡。
8.Jack used to assist Mary in her lessons.
傑克過去常常幫助瑪麗學習功課。

二、在疑問句、否定句、否定疑問句或強調句中，可有兩種形式：
1、疑問句
Did you use to go to the same school as your brother?
Used you to go to the same school as your brother?
2、否定句
I usedn't to go there.
I didn't use to go there.
3、否定疑問句
Usen't you to be interested in the theatre?
Didn't you use to be interested in the theatre?
4、強調句
I certainly used to smoke,but it was a long time ago.
I certainly did use to smoke,but it was a long time ago.
5、其反意疑問句或簡略回答中，也有兩種形式：
She used to be very fat,didn't she? （口語+常用）/ use(d)n't she? （正式+過時）
Did you use to play chess? Yes,I did.
Used you to get up early in the morning? Yes,I did. (Yes,I used to.)