发布于:2020-05-24 20:41:14
0《单元语法聚焦》The Internet Connects Us PPT
第一部分内容:教材典据
1.If we want to have a meeting, I can send the invitation online.
如果我们想开会,我可以在网上发出邀请。
2. If I work hard this evening, I will complete my research.
如果我今天晚上努力工作,我将完成我的研究。
3. And if a friend lives far away, the Internet makes it easy to stay in touch.
并且如果一个朋友住得很远,互联网可以使保持联系很容易。
4. Some of the disadvantages can become real problems if we don't take care.
如果我们不当心的话,一些不利因素可能真的成为问题。
5. If I want to go to some new places, I can easily find my way.
如果我想去一些新的地方,我能很容易地找到我的路。
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单元语法聚焦PPT,第二部分内容:语法探究
由一个主句和一个或一个以上的从句构成的句子叫作复合句。在复合句中用来修饰主句中的谓语动词、形容词或者副词等的从句称为状语从句。状语从句从其表达的含义来看,可分为条件、时间、原因、比较、结果、目的、让步、方式、地点状语从句。本单元重点讲解if引导的条件状语从句。
if引导的从句在复合句中表示条件,我们称之为if引导的条件状语从句。if引导的条件状语从句既可以放在主句________,也可以放在主句________, 当放在主句之前时,从句后面要用________与主句隔开。if引导的条件状语从句的时态
1. if 引导的条件状语从句的时态要与主句保持_______,若主句是一般将来时,从句则用__________表示将来。例如:
If I am free tomorrow, I will go to Beijing.
如果我明天有空的话,我就去北京。
2. 如果主句含有________,如can, may, must, need 等,从句要用一般现在时。例如:
You may be late if you don't hurry.
如果你不快点的话,你可能会迟到。
3. 如果主句是祈使句,从句要用一般现在时。例如:
Let's go shopping if you are not busy.
如果你不忙的话,咱们去购物吧。
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单元语法聚焦PPT,第三部分内容:实战演练
Ⅰ. 用所给单词的适当形式填空
1. If it _________(not snow) tomorrow, we'll have a picnic in the park.
2. I will meet him at the train station if he ________(come) by train.
3. If you ________ (be) sick, you must go to see a doctor.
4. Remember to call me if you ________ (have) any trouble.
5. She ________(miss) you if you move away.
Ⅱ.单项填空
( )1.2017·咸宁—Celia, join us in the Super Summer Camp if it ______ this weekend.
—I'd love to. But nobody knows if it ________.
A. is fine; rains
B. is fine; will rain
C. will be fine; will rain
D. will be fine; rains
( ) 2.2017·随州—What ________ if they ________ to the meeting late?
—Sorry, I don't know.
A. will happen; go
B. happened; go
C. happens; will go
D. will happen; will go
【解析】句中if译为“如果”,引导条件状语从句,和主句时态搭配应遵循“主将从现”原则,即主句用一般将来时,if 引导的从句用一般现在时,故选A。
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