【词汇拓展】

1. nature n. →natural (adj.)

2.easy adj. →easily(adv.)

3. fisherman n. →fishermen(复数)渔民

4.speak v. →speaker(n.) 说话人；演讲者

5.tour n. tourist(n.) 旅行者；游客

6.clear adj. →clearly (adv.)

【重点句子】

1. What do cranes look like? = How do cranes look like ? 

    鹤长什么样？

2. How many types of cranes are there in the world? 

    世界上有多少种鹤？

3. It is a perfect place for some rare birds.

    它是适合一些珍稀鸟类生活的完美地方。

4. There are not many cranes left. 

    没有很多鹤剩下

5. Moreover, fishermen keep fishing there. 

    此外，渔民们一直在那里捕鱼。

6.Studying Zhalong helps us learn about protecting wildlife.

    研究扎龙帮助我们了解保护野生生物。

7.The cold weather made some birds fly south for the winter.

    寒冷的天气使一些鸟类飞往南方过冬

    fly to sp. to spend the winter 飞到某地过冬

8. You may get thirsty. 你可能会口渴。

9. What /Anything else? 还有什么？

10. I think it is important for me to do something to protect them.

    It is + adj. + for sb. to dosth.  表示对某人来说做某事怎么样

    e.g. 对我来说, 解决这道数学题很容易。

    It’s easy for me to work out the math problem.

    孩子们在那条河里游泳是危险的。

    It is dangerous for children to swim in that river.

11.What should we take with us when we go birdwatching?

    当我们去观鸟时应该随身带什么?

12.I will be very happy if I can become a member of the Birdwatching Society.

    如果我能成为观鸟协会中的一员，我将会非常开心。（主将从现）

【重点语法】

动词不定式

1.作状语

a.目的状语: 放在go, come, use, live, in order等词后面.如：

    I come to see you．

    He runs fast in order to get there in time．

    They brought in photos of their families for me to look at.

b. 原因状语: 放在sorry, glad, surprised, disappointed，

    excited等词后面。(有些资料上把这类称为不定式在表示心理、情感、评价等的形容词后,对其进行补充说明, 作形容词补足语）如：

    I am glad to see you here．

    I am sorry to trouble you．

c. 作结果状语。如:

    Some of the apples are hard to reach．

    The room is large enough to hold 1000 people．

2.作宾语补足语

(1)在多数复合宾语及物动词后要带to：

tell, ask, want, order, teach, invite, warn, wish, help, get, wish, allow,encourage,advise等词后面常接不定式作宾补。

例: I asked a friend to read it to me．

    I tell him not to go there by bus．

    Edison‘s mother taught him to read and write．

(2) 在表示感觉、致使等意义的动词(see, watch, hear, feel, make, let, have, observe,  notice, help等)后不带to 的不定式作宾补。如：

    The boss makes them work 16 hours a day．

    I heard her sing in the next room．

提示板: 若变成被动语态, 在上述结构中, 不定式符号to要加上。

如: 

    They are made to work 16 hours a day by the boss．

    She was heard to sing in the next room．

3.“疑问词＋不定式”用法

     不定式前可带what，who，which，where, when, how, whose, 等疑问词, 这种不定式短语在句中作宾语、宾语补足语、

主语等。

例: He didn’t  tell me where to go. (直宾)

    I don’t  know what to say now.(宾语)

    I don't know what to do next.(宾语）

    He taught us how to use the computer．(宾语补足语)    

    It's still a question how to get there．(主语)

在初中阶段还涉及到“不定式被动语态一般式(to be+过去分词)”

例: There are twenty more trees to be planted.

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