《单元语法聚焦》Stories and Poems PPT
第一部分内容：教材典句
1.One day the children were playing in the garden when a giant appeared. 一天，孩子们正在花园里玩耍，这时一个巨人出现了。
2.It was wearing a big yellow hat.它戴着一顶黄色的大帽子。
3. He thought it must be the king's musicians passing by.
他想一定是国王的乐师们正在经过。
4. I think a good story must have great characters and an interesting plot.
我认为一个好故事必须有重要的人物和一个有趣的情节。
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单元语法聚焦PPT，第二部分内容：语法探究
一、过去进行时
1. 定义
过去进行时表示在________某一时刻或某一时间段内________发生或进行的动作。
2. 结构
主语＋________/________＋________＋其他
3. 时间状语
常用的时间状语有at five yesterday, the whole morning, when/while 引导的时间状语从句。
二、must 的用法
1. must 是________动词，后面要接实义动词或be动词的原形。
2. must 意为“必须”，mustn't 意为“不准；禁止”。
3. must 还可以用来表示推测，意为“________”，用于肯定句， 表示较大可能的推测。否定的推测要用can't, 意为“________”。
4. 注意：(1)must构成的一般疑问句的回答：肯定回答用must，否定回答用needn't或don't have to。
—Must I leave now?
—Yes, you must./No, you need't./No, you don't have to.
(2)must 强调主观上认为“必须”做的事； have to 强调客观上“不得不”做的事。
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单元语法聚焦PPT，第三部分内容：实战演练
Ⅰ.单项选择
( ) 1.—Why did the car hit the boy?
—Because the driver ______ on the phone at that time.
A．talk B．is talking
C．was talking D．have talked
( ) 2.—Our classmates went to a concert yesterday afternoon.
—What a pity! I ________my homework.
A．had done B．was doing
C．am doing D．would do
( ) 3. —Did you hear someone knock at the door just now?
—Sorry. I ________ to my friend on the phone.
A．was talking B．talked
C．am talking D．talk
( ) 4. 2017·白银 We _______ TV from seven to nine last night.
A．were watching B．will watch
C．watched D．watch
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