used to 用法_be used to的用法|get used to的用法|is used to 相似 用法 M: I used to swim in high school. M: I didn't use to be this heavy. F: Do you want to go with me? M: I really need to get in shape again. ... used to用法講解 used to只有一種存在形式，一般過去式。具體用法如下： （1）在肯定句中，表示現在己經不再發生，不复 ...
