二．用法集萃 的用法 【1】prefer a to b、a与b相比较，比较喜欢a 例：i prefer english to chinese. i prefer fish to meat.
【2】prefer doing a to doing b,a与b相比，比较喜欢做a 例：i prefer swimming to running. 【3】prefer to do a rather than do b，a与b相比，比较喜欢做a 例：
i preferred to stay behind rather than go with you. 【4】词组prefer not to do “不愿意做……”2. whatever 相当于no matter what 例：
wherever you go, whatever you do, ill be right here waiting for you. 3. cheer up高兴起来；振作起来使欢乐；使高兴例：
cheer up！your troubles will soon be over． he tried to cheer them up with funny stories． 2. marry娶；嫁；结婚；和。
结婚 marry sb. /get married 表示动作例。 he married a pretty girl.
she married a soldier. =she got married to a soldier. they got married last year.
4. keep healthy 保持健康例。 in order to keep healthy, he keeps jogging every day.
keep in good health, keep fit和 stay healthy 都表示“保持健康” 巧记以o结尾的名词变复数： 注：,hero英雄， tomato西红柿，potato土豆， 这些词变复数时要加是-es, 其余以o结尾的加-s。
5.定语从句观察两个句子，看看有什么区别： an interesting book 形容词interesting做定语修饰book a book that is interesting that is interesting句子做定语修饰book interesting/that is interesting作用是相同的，都是用作定语来修饰名词book, 这种在复合句中修饰名词或代词的从句叫做定语从句。
定义：复合句中，修饰某一名词或代词的从句叫做定语从句。定语从句要跟在所修饰的名词或代词后面，被定语从句修饰的名词或代词叫做先行词。
定语从句一般用关系代词who，that，which和whose来引导，放在从句的句首使从句与主句相连，并在句中担当一定的成分。 i like music that i can dance to. (作宾语) i prefer singers who can write their own songs.
(作主语) 注1：that在从句中作主语或宾语(作宾语时that 可省略)
介词短语用法
一。什么是介词短语？介词短语又叫介词宾语，是介词与其后的宾语构成的词组。by accident 偶然。on account of 因为，由于。in addition 另外。in addition to 除 之外。in the air 在流行中，在传播中。二。介词短语在句子中充当什么成分？介词短语在句...
take短语用法完全归纳总结
take 用法。作为动词，主要有以下几种用法 一 拿，取 i want to take some books to the classroom.我想拿些书到教室。二 吃，喝，服用，放 take this medicine three times a day.每天吃三次药。do you take su...
take短语用法完全归纳总结
take 用法。作为动词，主要有以下几种用法 一 拿，取 i want to take some books to the classroom.我想拿些书到教室。二 吃，喝，服用，放 take this medicine three times a day.每天吃三次药。do you take su...