名词在句子中作主语、宾语、补语
形容词修饰名词
副词修饰形容词、副词、动词、句子
动词在句中作谓语,决定句子类型和时态
动词不定式=to+动词,起名词、形容词、副词的作用
To study is my hobby
He forgot to buy the book
My dream is to be a doctor
My hobby is to study
I have homework to finish
I have no house to live in
我没有可以住(在里面)的房子
this book is difficult to read
副词修饰形容词要放在形容词前(really difficult)但动词不定式起副词作用修饰形容词要放在形容词后(good to read)
too young to go
He works hard to go to school(表示目的)
I am glad to meet you (表理由、原因)
She must be mad to do so (判断依据)
她这样做一定是疯了
grow、live、awake这三个动词有表示结果的用法,要翻译出结果的意思,不要说为了..
he grew up to be a teacher ,他长大后成了老师(表结果)
she lived to be eighty 她活到了80岁(表结果)
i awoke to find myself famous 我醒来后发现自己出名了(表结果)
i studied hard only to fail 我努力学习,但还是失败了
副词性用法有很多,表地点、方法、时间、理由、结果、判断依据等
直接在动词不定式前加not