(共12张PPT)
课题:Is thisyour schoolbag 难点名称:陈述句变一般疑问句的方法人教精通版五年级英语-上册-Unit 5陈述句变一般疑问句
陈述句:
是用来陈述一个事实或者说话人的看法的句子,不需要回答。
一般疑问句:
是疑问句的一种。它通常只用yes(是)或no(否)来回答,
朗读一般疑问句时句尾用升调。
有be动词(am/is/are)
或情态动词
(can/should/must等)
陈述句变一般疑问句
一
没有be动词(am/is/are)或情态动词(can/should/must等)
二
一、有be动词(am/is/are)或情态动词(can/should/must等)
口诀:一提二改三问号
This is my book .
is
my
Is this your book
This is a book .
Is this a book
your
I should drink some water .
should
some
Should you drink any water
I
you
any
Should you
有be动词(am/is/are)
或情态动词
(can/should/must等)
陈述句变一般疑问句
没有be动词(am/is/are)或情态动词(can/should/must等)
一提
二改
三问号
(一)主语是第三人称单数(he/she/it)时,句前加助动词Does.
She looks cute .
Does she look cute
(二)主语不是第三人称单数(he/she/it)时,句前加助动词Do.
She
Does
My mother has long hair .
My mother
Does
Does your mother have long hair
I come from China .
Do you come from China
二、没有be动词(am/is/are)或情态动词(can/should/must等)
口诀:一加二改三还原四问号
your mother
have
look
没有be动词或情态动词
一加
二改
三还原
四问号
主语是第三人称单数
主语不是第三人称单数
Does
Do
有be动词(am/is/are)
或情态动词
(can/should/must等)
陈述句变一般疑问句
没有be动词(am/is/are)或情态动词(can/should/must等)
一提
二改
三问号
一加
二改
三还原
四问号
主语是第三人称单数
主语不是第三人
称单数
主语是第三人称单数
Do
Does
practise
1. He is tall .
2. I can speak English.
3. He likes PE .
4. They have some books .
Is he tall
Can you speak English
Does he like PE
Do they have any books
总结:陈述句变一般疑问句的方法
1、有be动词(is/am/are)或情态动词(can/should/must等),要把他们放在句首,其余照抄,末尾句号变问号。
2、如果句子中没有be动词或情态动词,则将助动词Do/Does放到句首,谓语动词变回原形,剩下照抄加问号。
3、句中有第一人称的需改为第二人称。
(I变you,we变you,my变your.)
4、句中有some,需把some变成any。
Thank you !