《单元语法聚焦》It's Show Time! PPT课件
第一部分内容：教材典句
1. I slept for two full days！我睡了两整天！
2. We heard a lot about him on the Silk Road.
我们在丝绸之路上听说了很多关于他的事情。
3．Later, Marco Polo travelled with his brother.
后来，马可•波罗和他的兄弟一起去旅行了。
4. People built them a long time ago.
人们很久以前修建了它们。
5. The man made the noodles so fast.
这个人做面条如此快。
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单元语法聚焦PPT，第二部分内容：语法探究
(一)概念及构成
1. 概念：一般过去时表示过去某个时间发生的动作或存在的状态，也可表示过去经常反复发生的动作。一般过去时常和表示过去的时间状语连用，如ago, last year, yesterday, just now(刚才)等。如：
Li Ming walked to school last year.
去年李明步行去上学。
2. 构成：主语＋动词的过去式＋其他。如：
Li Ming's family went to Beijing last week.
上周李明一家去了北京。
(二)动词过去式的构成
1. 规则动词过去式的构成
2. 常见的不规则动词的过去式
am/is→was, are→were, go→went, come→came, do→did, have→had, write→wrote, see→saw, eat→ate, buy→bought, fall→fell, hurt→hurt, build→built, say→said, take→took, break→broke, fly→flew, find→found, give→gave, sleep→slept, hear→heard, meet→met, bring→brought
(三)一般过去时的句式变化
1．肯定句：主语＋动词的过去式＋其他．如：
He went to the toy store yesterday. 昨天他去玩具店了。
2．否定句：(1)如果谓语部分含有be动词或情态动词，则在be动词或情态动词后直接加not，即“主语＋be/情态动词的过去式＋not＋其他．”如：
Wang Mei wasn't in the library just now.
刚才王梅不在图书馆。
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单元语法聚焦PPT，第三部分内容：实战演练
Ⅰ. 用括号内所给单词的适当形式填空
1．I________ (have) an exciting party last weekend.
2．Did she ________ (practice) playing the guitar yesterday?
3．He ________(be) in the office an hour ago.
4．He heard the sound and ________(stop).
5．She ________ (not visit) her aunt last week.
Ⅱ.按要求完成下列各题
1．Jim went to the library last night.(改为一般疑问句并作肯定回答)
—________ Jim________ to the library last night?
—________， he ________．
2．Mary drew a panda on the paper.(改为否定句)
Mary________ ________ a panda on the paper.
3．They went__to__the__cinema last Sunday.(对画线部分提问)
________ ________ they ________ last Sunday?
4．I cleaned my room last night.(改为一般疑问句)
________ you ________ your room last night?
5．Li Lei puts some books in the bag.(用just now改写句子)
Li Lei ________ some books in the bag just now.
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