"return"是个多义词，可以用作名词、动词或者形容词。以下是几种常见的用法和句型：
1. 作为动词：
a. 表示返回或归还某物：I need to return this book to the library.
b. 表示恢复或回到某个状态或位置：The weather will return to normal tomorrow.
c. 表示报答或回报某事：She returned his kindness by helping him with his project.
d. 表示回答或反击：He returned her question with a thoughtful answer.
e. 表示重新开始进行某活动或继续进行：They returned to their seats after the intermission.
2. 作为名词：
a. 表示回归或返回：His return to the company was welcomed by his colleagues.
b. 表示报答或回报：Her hard work has earned her a good return on investment.
c. 表示退货或退款：The store has a 30-day return policy.
3. 作为形容词（即过去分词形式“returned”）：
a. 表示归来的或返回的：The returned soldier was greeted by his family.
b. 表示被退回的或未交付的：The returned package was not in good condition.
需要注意的是，"return"的用法非常多样，具体用法要根据上下文来确定。以上只是一些常见的用法和句型，还有其他的用法和句型可能没有包括在内。
