2021年暑假牛津译林版八年级上册英语预习反义疑问句课件（13张PPT）

(共13张PPT)
暑假 初三
第十三讲
The pig can help you tell the difference between them,
反义疑问句：
它表示提问人对自己的看法,没有把握,需要对方证实
构成：
原则：
时态与人称保持一致
陈述句，简短疑问句？
（be/助/情+人称代词）
前肯后否，前否后肯
can’t it
定义：
反意疑问句的特殊变化
I am from the dustbin, ______ ____
aren’t I
1. I am---> aren’t I
Nothing can be eaten, _____ ____
can it
2. 代词
(1)指示代词或不定代词（指物） everything, nothing, something, anything, that, this等，在简短疑问句中 用 it 替代
Anyone should obey the rule, _________ _____
shouldn’t they
(2)指示代词或不定代词（指人）everybody/everyone, somebody, nobody, anybody, these, those等，在简短疑问句中用they 替代
Both Lucy and Lily came to this party, _____ ______
didn't they
Either you or Li ping is going to the meeting, _____ _____
aren't you
(4)陈述句部分，由both...and..., either...or..., not only...but also..., neither...nor...等连词连接的2个名词或代词做主语时，简短疑问句的主语用复数代词代替
(3)the+adj，表示一类人，在简短疑问句中用they替代；表示事物或抽象概念，在简短疑问句中用it替代
The young should respect the old, ________ ______
The beautiful isn't always good, _____ ____
shouldn't they
is it
He never throws rubbish by himself, _____ ____
does he
3. 陈述句中有no, nothing, nobody, never, few, little, seldom, hardly, neither, neither...nor...等否定词, 简短问句要用肯定形式
He dislikes these ways, _______ ____
doesn't he
It is unfair, _____ ____
isn't it
注意：
陈述句(肯定)--谓语/系表结构中，出现带有否定前缀(un-, in-, im-, dis-等)或者否定后缀(-less等)的词，简短疑问句要用否定形式
4. must 用法
(1)mustn’t表示 “禁止” 时，简短问句通常要用must.
He must finish his homework, _________ _______
needn’t he
(2)must表示 “必须” 时，简短问句通常要用needn’t.
He must be hungry, _______ _______
isn’t he
(3)当must用来表示肯定推测时，简短问句要根据must后面的动词采用相应的助动词形式。
He used to be handsome, ______________ _____
didn’t / usedn’t he
have/has/had to do
used to do
had better do
would rather do
ought to do
don’t/doesn’t/didn’t +代词
didn’t / usedn’t +代词
hadn’t +代词
wouldn’t + 代词
oughtn’t / shouldn’t + 代词
6.
He needs to swim across the river, _______ _______
doesn’t he
5. 陈述句中，dare/need作实义动词，简短疑问句中，用助动词do的适当形式(时态)；作情态动词，daren't--dare, needn't--need。
She daren't go out alone at night, _______ _______
dare she
To learn English well is very important, _____ ____
isn't it
7.to do不定式，doing动名词，以及从句，在简短疑问句中用it 替代
What we need most now is more money, _____ ____
isn't it
I wish to visit the Great Wall, _____ ____
9. 第一人称，I/we wish...，may I/we;
第二/三人称 + wish..., 简短疑问句根据陈述句的时态/人称，填合适助动词
Tom wishes to make friends with us, _______ ____
may I
doesn't he
祈使句
Let's 开头的祈使句
8.
will you
shall we
I don't think you like this job, _______ _______
do you
(1)当主句的主语为第一人称时，且谓语动词为表达人观点、看法的词(think/expect/believe/consider/guess/suppose/imagine等)，其后的简短问句应与从句相一致
They don’t believe you love this job, _______ _______
do they
(2)当主句的主语为第二、三人称时，其后的简短问句则应与主句相一致（此时，否定只看主句，与从句无关...）
10.
I'm sure that you know him well, _____ ____
don't you
11.I/We+be sure/be afraid/hope+that...
或者It seems that...，简短疑问句与从句保持一致
It seems that you are an expert, _____ ____
aren't you
12.It is said/told/reported/believed+that从句，
简短疑问句与从句保持一致
It is reported that the police caught the thief yesterday, ________ ______
didn't they
He failed many times, but he succeeded at last, _____ ____
didn't he
15.含有由连词but/and/or等构成的并列句时，简短疑问句要和并列连词后面的分句保持一致
We must hurry, or we will be late for class, _____ ____
won't we
It was the second time that he had been in love that year, _____ ______
wasn't it
14.It is/was+the+序数词+time+that从句，简短疑问句与It is/was保持一致
She was cooking when I came home, _____ ______
wasn't she
13.从句是状语从句，则简短疑问句和主句保持一致
反义疑问句肯否回答
1. ---She’s seldom asked to do housework at home, _______
---_______. Her parents are very busy with their work, so she has to do some cleaning every day.
A. has she; Yes B. has she; No C. is she; Yes D. is she; No
2. ---No time to go over the notes again, _______
---______. The final exam is beginning at once.
A. is it; No B. is there; No C. is it; Yes D. is there; Yes
3. ---She dislikes making a speech to the class, _______ she
---______. She is shy.
A. does; No B. doesn’t; No C. does; Yes D. doesn’t; Yes
Thanks