小学一般现在时(详细讲解)

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？
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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行为动词一般疑问句的构成
含行为动词（或称为实义动词）一般疑问句 的改写
some、any
• 一般说来，some 用于肯定句中，any 用于 否定句和疑问句中 。
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?
Exercise
• • • • • • •
1、Kitty______an English girl. 2、We ______students. are am 3、I ______ from Guangzhou. is 4、She______ tall. are 5、Lucy and Lily ______ good friends. are 6、Those chairs ______broken. is 7、The bag______ mine.
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
Complete the sentences. Use the proper verb forms in brackets
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
在否定句当中，too要改为either I like eating apples, too. →I don’t like eating apples, either.
isn’t
1、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
含be一般疑问句的改写
• 秘诀：一调二改三问号
• every
２、频率副词
never
seldom
rarely
sometimes
often
usually
always
３、次数
一次 once 两次 twice 三次 three times 一周两次 twice a week 每周四次 four times a week 每周六 on Saturdays 每周日 on Sundays
Does Mr. Green come from ShangHale Waihona Puke Baiduai?
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.
一般现在时
一般现在时(关键词)
现在
经常反复发生 习惯性
规律、真理
1.表示现在的状态：
e.g. He’s twelve.
She’s at work.
2.表经常、反复、习惯性的动作：
e.g. I get up at 6:30 every day. He reads English every morning.
Complete the sentences.
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.
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.
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
We read English every morning.
→ Do you read English every morning?
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
行为动词的一般现在时
构成
主语 + 行为动词 + 其他
These boys like playing football. The girl reads English every morning. 注意：当主语为第三人称单数时， 行为动词要加s或者es 什么时候加s，什么时候加es呢？
Tom’s father listens to English on the radio every evening .
→ Does Tom’s father listen to English on the radio every evening?
句型转换
• 1. Mr. Green comes from Shanghai. (改为一般疑问句) • 2. Millie lives in a flat in Beijing. (改为否定句)
1、大多数动词在词尾直接加s， 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 fly →flies carry →carries study →studies 3、以“s, x, ch, sh”结尾的，在词尾加“es”， teach－teaches [iz]; watch－watches box---boxes 4、以“o”结尾的动词，加“es” go－goes [z] do－does [z]
一般现在时的构成
一、系动词be的一般现在时
1、构成： 主语 + be + 其他
The girl is my friend.
2、be 包 括 哪 些 ？
is am are 3、 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
• 主语为单数时――→ is • 主语为复数时――→ are • 主语为“I”时 ――→am
is
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 (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 bagisn’t (not) mine
常用的状语：often , sometimes , usually , every day 等。
3.表示不受时间限制的普遍真理和自然规律： e.g. Two and four is six. The moon goes around the earth.
常与一般现在时连用的词
1、every系列
• • • • • • • day year month week morning afternoon evening
• 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（同第一家组）； 三问号：句末的句号改为问号。
• 问句： Do your parents like English？ 肯答： Yes，they do. 否答： No，they don’t.
passes (pass) the ball to Daniel. 5. Simon ______
teaches (teach) Chinese. 6. Miss Li_______ 7. Look at the animal, it ____ has four legs.
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否定句的构成
主语 + 助动词（do/does）+not +动词原形 + 其他 These boys don’t（do not） like playing football.