Difficult sentences Language points 1.Watching a family of chimps wake up is our….. 今天我们的第一件事是 2.This means going back ….由定语从句修饰的place做go 的宾语 3.Only after her mother came to help her for the first few months was she allowed to begin her project. Only in this way can we learn English better. 4.But the evening makes it all worthwhile

1. mean的用法 mean doing sth mean to do sth 意味着做…… e.g Doing such a thing means wasting time. mean to do sth 打算做某事 e.g Do you mean to go without money?

2. leave sb. doing 3. wander的用法 让某人做某事 e.g They went off and left me sitting there all by myself. 3. wander的用法 可以解释为漫步，逛，常与about搭配 e.g We love wandering about the hills. 还可以解释为脱离，迷失 e.g Don’t wander off the point.

It is worthwhile to do/ doing 4. worthwhile adj. 值得做的,值得花时间(金钱)的 It is worthwhile to do/ doing It was worthwhile to visit Paris. = The visit to Paris is worthwhile. 去巴黎访问是值得的. It’s worthwhile discussing/ to discuss the question again. 这个问题值得再讨论一下。 It is a worthwhile book. 那是一本值得一读的书.

5. observe 观察；注意到 She observed his actions with interest. 她很感兴趣地观察他的行动． His neighbour observed a stranger go into his house. 他的邻居看到了一个陌生人进入他的家．

6. “Only + 状语”　开头的句子要用倒装． Only in this way can we learn English better. Only then did I realize my mistake. 直到那时我才知道我的错误． Only you understand me. I met her only yesterday.

7.work out I can’t work out the meaning of the poem. （理解，说出） Things have worked out badly. (发展，进行) Work out his income (算出） Work out a plan (制定，拟订)

8. have/ has been doing 现在完成进行时，表示动作 从过去就已开始，一直持续到 现在，可能还会继续下去． He has been reading since this morning. 今早起，他一直在看书． He is very tired; he has been working hard all day. He has been writing a letter. 他一直在写信． He has written a letter. 他已写过信了．

argue for / argue against 争论；辩论；说服 argue for / argue against 主张／反对 argue about sth. argue with sb. argue sb. into doing sth. 说服某人做某事．

10. inspire sb. to do inspired 有灵感的 inspiring 激励人心的 鼓励某人做某事 His speech inspired us greatly. The teacher inspired us to make greater efforts. The memory of his childhood inspired his first novel. 促成；赋予灵感 inspired 有灵感的 inspiring　激励人心的

Exercises 1.值得下工夫去学习一门外语. It’s ______ ________ a foreign language. worthwhile learning 2.她很感兴趣地观察他的行动。 She _________ his actions with interest. observed 3.老师的表扬鼓励了全班同学 The teachers praise ____________ the class. inspired 4.你应该自食其力。 You should _____________ yourself. support

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