改疑问句或否定句时，原句里的some要改成any
There are some books on the desk. (改为否定句) →There aren’t any books on the desk. →Are there any books on the desk?
Why not buy some apples? 为什么不买些苹果呢? Would you like some more apples? 你要不要再吃点苹果? 注意：在表示建议或希望得到肯定回答时， some可用于疑问句，不用变成any.
• 主语为单数时――→ is • 主语为复数时――→ are • 主语为“I”时 ――→am
Exercise
• • • • • • • 1、Kitty is an English girl. 2、We are students. 3、I am from Taizhou. 4、She is tall. 5、Lucy and Lily are good friends. 6、Those chairs are broken. 7、The bag is mine.
3、一般疑问句的构成
Is this your English book ？
be 主语 其他
Yes，it is.
No，it isn’t.
be + 主语 + 其它部分？
肯定回答：Yes，主语+be 否定回答：No，主语+be+not 注意：在回答时，主语要用相应的代词代替
• Is Mary an English teacher? • 肯定回答： Yes,she is • 否定回答： No,she isn’t.
含be 动词一般疑问句的改写
• 秘诀：一调二改三问号
一调：即把句中的be 调到主语前； 二改：改换主语称谓，即将句中的主 语I my mine we our ours等第一人称分别改 为相应的第二人称you your yours等； 三问号：句末的句号改为问号
I am an English teacher.
plays 1. Jordan _______(play) basketball. play He doesn’t ___________(not play) football. go 2. I _______(go) swimming on Sunday. don’t go But I___________ (not go) shopping. 3. My cousins _______(enjoy) computer games. enjoy
主语 + 助动词（do/does）+not +行为动词原形 + 其他
These boys don’t（do not） like playing football. These boys like playing football. The girl doesn’t （does not）read English every morning. The girl reads English every morning.
什么时候用助动词do，什么时候用助动词does呢？ 取 决 于 主 语
• 当主语为复数时，用助动词do构成否定 • 当主语为单数时，用助动词does构成否定
注意：don’t 和 doesn’t 之后动词一定要用原形
Change the following sentences after the models.
Complete the sentences. Use the simple present tense of the verbs in brackets
1. My father_______(listen) to the radio every day. listens studies (study) in a middle school. 2. Mike_______ takes 3. She______(take) Eddie for a walk after supper. washes 4. He_______(wash) clothes with his hands.
But they don’t __________(not enjoy) ball games. enjoy
4. You _______(like) fish. like
But he ___________(not like) fish. doesn’t like
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3、一般疑问句的构成
• 问句： Do your parents like English？ 肯答： Yes，they do. 否答： No，they d Green comes from Shanghai. • (改为一般疑问句)
Does Mr. Green come from Shanghai?
• 2. Millie lives in a flat in Beijing. • (改为否定句)
Millie doesn’t live in a flat in Beijing.
• 3. Daniel enjoys playing computer games. • (改为一般疑问句并做肯定回答)
Does Daniel enjoy playing computer games? Yes, he does.
补充：some、any
• 一般说来，some 用于肯定句中，any 用于 否定句和疑问句中 。
and or
• 变否定句时，and要变成or
There is some air and water on the moon . → There isn't any air or water on the moon. He has some brothers and sisters. →He doesn’t have any brothers or sisters.
2、否定句的构成
主语 + be + not + 其他
is not = am not= isn’t ’m not
are not= aren’t
1、Kitty isn’t (not) an English girl. 2、We aren’t (not) students. 3、I am not (not) from Taizhou. 4、She isn’t (not) tall. 5、Lucy and Lily aren’t （not）good friends. • 6、Those chairs aren’t (not) broken. • 7、The bag isn’t(not) mine. • • • • •
It doesn’t look like a hat. 5. She has a dog at home. (a cat)
She doesn’t have a cat at home.
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Complete the sentences. Use the proper verb forms in brackets
• 1、大多数动词在词尾直接加s， 如read → reads look→ looks play→ plays 2、以辅音字母加y结尾的动词，要先将y变为i， 再加es 如：fly →flies carry →carries study →studies 26个字母中 除A E I O U五个元音字母外，其余 21个都是辅音字母 3、以“s, x, ch, sh”结尾的，在词尾加“es”，发 音为[iz] 如： teach－teaches [iz]; watch－watches [iz] box--boxes 4、以“o”结尾的动词，加“es”，读[z] 如： go－goes [z] do－does [z]
passes (pass) the ball to Daniel. 5. Simon ______
teaches (teach) Chinese. 6. Miss Li_______ 7. Look at the animal, it ____ has （have） four legs.
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2、否定句的构成
• • • •
（三）.表示客观事实或真理 The earth goes around the sun. The sun rises in the east. （四）. 与一般现在时连用的时间状语： often, always, sometimes, usually, every day/ week/year 等．
二、一般现在时的构成
系动词be的一般现在时 实义（行为）动词的一 般现在时
• （一）、系动词be的一般现在时
1、肯定句的构成： 主语 + be + 其他
The girl is my friend.
be 包 括 哪 些 ？
is am are 什么时候用is？ 什么时候用am？ 什么时候用are？ 取决于主语是单数 还是复数
→ Are you an English teacher?
总结：含be的一般疑问句、否定句改写口诀
• • • • •
我用am，你用are，is连着她他它 单数名词用is，复数名词全用are 变疑问往前提，句末问号莫丢弃， 变否定更容易，be后not莫忘记， 疑问否定任你变，句首大写莫迟疑！
•
book
助动词 + 主语 + 动词原形 + 其它？
肯定回答用“Yes, 主语+ do/does.” 否定回答用“No, 主语+do not/does not.”
助动词也常用缩写形式，主要有don’t，doesn’t
• 改写秘诀：一加二改三问号
一加：即在句首加助动词Do或Does； 二改：1、把谓语动词改为原形； 2、改换主语称谓 （同be动词）。 三问号：句末的句号改为问号。