Unit 8 It must belong to Carla重点语法精讲课件 (共18张PPT)

(共18张PPT)
Unit 8It must belong to Carla
重点语法精讲
情态动词表推测的用法
不定代词the other/other/another/others/the others/another
复合不定代词的用法
目录
Contents
情态动词can/could表推测的用法
Tom can’t be his brother.I know all of his brother.
This pen looks like mine,yet it isn’t. Whose can it be
不可能
可能
can 表示有把握的推测。一般不用于肯定句。can't表示有把握的否定推测，意为“不可能”，后跟动词原形。can可用于疑问句和否定句中
I'm not sure about it. You could be right.
You couldn’t have left it on the bus,could you
could表示不太有把握的推测，意为“可能”，后跟动词原形，可用于肯定句、疑问句和否定句中，否定形式是could not或couldn't，意为“不可能”。
情态动词can/could表推测的练习
1.选词填空。
You ______ be right, but I don't think so. (need/could)
could
2.选词填空。
That ______ be Mark in the mall, because I saw him at school just now. (mustn't/can't)
can't
3.翻译句子。
—那边的人不是David的哥哥吗？
—不，肯定不是他。我确定他没有穿牛仔裤。
-Isn't that David's brother over there
-No, it ______ be him. I'm sure he doesn't wear jeans.
can't
4.完成句子。
-打扰一下，请问你能告诉我蓝天宾馆在哪儿吗？
-往前直走两个街区就能到了。你不可能会错过的。
-Excuse me, could you tell me where the Blue Sky Hotel is
-It's two blocks straight ahead. You ______ miss it.
can't
情态动词may/might表推测的用法
He may be in his office now.
He might come here today,but he can’t help you.
may和might意为“可能，也许”，经常用来推测不太有把握的事情，may表示的“可能性”比might相对要大一些，might可用于表示委婉语气。它们后面应跟动词原形。
may/might表推测时通常用于肯定句或否定陈述句。
情态动词may/might表推测的练习
1.选词填空。
We ______ go to New Zealand for the summer holiday, but we haven't decided yet. (may/will)
may
2.首字母填空。
-Where's Jeff
-I'm not sure. He m______ be playing football on the playground.
ay/might
3.翻译句子。
Simon忙于他的作业，但他可能会去派对。
Simon is busy with his homework, but he ______ go to the party
ay/might
4.完成句子。
今年夏天我们也许不会去长城，因为我们可能会没有时间。
We ______ ______ go to the Great Wall this summer, because we _____ _ have no time.
may/might not
may/might
情态动词must表推测的用法
May and Mary must be twins.They really look like each other.
must 表示推测，意为“准是”、“一定是”通常只用于肯定句
If this answer is right,that must be wrong.=If this answer is right,that can’t be wrong.
must在否定句或疑问句中用 can 代之
He must be wrong. 他一定错了
must后接动词原形，表示对现在情况的推测
情态动词must表推测的练习
1.选词填空。
The computer is on, so someone ______ be using it. (must/can)
must
2.翻译句子。
Tony一定非常高兴见到你，你俩高中后就没见过了。
Tony ______ ______ overjoyed to see you. You two haven't seen each other since high school.
must
be
3.翻译句子。
他工作一直很努力，他现在肯定正在书房工作。
He always works very hard, and he ______ ______ _____ _ in the study.
must
be
working
4.根据中文意思补全句子。
我的朋友们一定忘记了我的生日，因为他们没有一个人来我的生日聚会。
My friends ______ _____ _ my birthday, because none of them came to my birthday party.
must
forget
不定代词the other/other/another/others/the others/another
Ask some other people.问问别人吧！
Put it in the other hand.把它放在你另一只手里。
1.other可作形容词或代词，作形容词时，意思是“别的，其他”，泛指“其他的（人或物）”
He has two daughters. One is a nurse; the other is a worker.
他有两个女儿，一个是护士，另一个是工人。
2.the other指两个人或物中的另一个，此时的other作代词
On the other side of the street, there is a tall tree.在街道的另一边，有一棵大树。
Mary is much taller than the other girls.Mary比其他的女孩高得多。
the other后可加单数名词，也可加复数名词，此时的other作形容词。
不定代词the other/other/another/others/the others/another
Some of us like singing and dancing; others go in for sports.
我们一些人喜欢唱歌和跳舞，其余的喜欢体育活动。
Give me some others, please.
请给我别的东西吧！
There are no others.
没有别的了。
3. others是other的复数形式，泛指“另外几个”，“其余的”，在句中可作主语、宾语
不定代词the other/other/another/others/the others/another
Two boys will go to the zoo, and the others will stay at home.
两个男孩将去动物园，其余的留在家里
the others意思是“其他东西，其余的人”。特指某一范围内的“其他的人或物”，是the other的复数形式。
the others=the other +复数名词
不定代词the other/other/another/others/the others/another
I don't like this one. Please show me another.
我不喜欢这一个，请给我看看另一个。
another，既可作形容词，也可作代词。用作代词时，只能用于三个或更多的人或物，泛指同类事物中的三者或三者以上的“另一个”，只能代替单数可数名词
I am too hungry. Can I have another 10 dumplings
我太饿了，可以再吃10个饺子吗？
如果要修饰可数名词的复数，another后面要加上基数词。
不定代词the other/other/another/others/the others/another的用法
1.选词填空。
The brave firefighters saved the people from the building one after _____ _. (another/other)
another
2.根据中文意思补全句子。
他比班上其他学生聪明。
He is cleverer than ______ ______ in his class.
the
others
3.翻译句子。
我看到他抽了一支烟，然后又抽了一支。我知道这对他人有害。
I saw him smoke one cigarette, then _____ _. I knew it was harmful to _____ _.
another
others
复合不定代词的用法
复合不定代词包括something, somebody, someone, anything, anybody, anyone, nothing, nobody, no one, everything, everybody, everyone 等等，在句中可作主语、宾语或表语等
He found that nobody was in the classroom.
他发现教室里没有人。
1. 作主语时视为单数，谓语用第三人称单数形式
There is something interesting in this book.这本书里有一些有趣的东西。
He has nothing to do all day.他整天无所事事。
2. 有形容词或不定式修饰时，形容词或不定式要后置。
复合不定代词的用法
I wanted to buy something for my mum last week, but I didn't buy anything in the end.
上周我想给妈妈买点东西，但最后什么也没买。
Would you like something to drink （礼貌征询意见，希望得到肯定回答的疑问句）你想喝点什么吗？
Do you have anything to drink （一般情况的疑问句）
你有什么喝的吗？
3. some-复合不定代词通常用于肯定句以及带有肯定意向的疑问句，any-复合不定代词则通常用于否定句和疑问句。
复合不定代词的用法
Not everything will go well. 不是一切都会好的。
No one was at home.没有人在家。
not every-表示的是部分否定，意为“并非都，不都”。
not any-和no-均表示全否定。
复合不定代词的练习
1.选词填空。
-Mum, Bill is coming for dinner this evening.
-OK. Let's give him _____ _ to eat. (something different/different something)
something different
2.翻译句子。
这收音机没有问题。
There is _____ _ ______ with the radio.
something
wrong
3按要求改写句子。
He said something interesting at the meeting. (改为否定句)
He _____ _ say _____ _ interesting at the meeting.
didn’t
anything
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