内容正文:
Unit 1 Signs!知
识
归
纳
语音语调
/s/:sign, sit, see, bus, class, science
/z/:zoo, zero, has, is, his, these
注意:询问标志含义的特殊疑问句用降调,如 “What does this sign mean?(降调)”;祈使句表提醒用降调,如 “Don't walk here.(降调)”
必记单词
四会
sign(标志)、walk(走;步行)、stop(停止)、go(走;去)、eat(吃)、drink(喝)、play(玩)、swim(游泳)、park(公园)、street(街道)、shop(商店)、school(学校)、water(水)、food(食物)、tree(树)
三会
mean(意思是)、public(公共的)、place(地方)、danger(危险)、safe(安全的)、smoke(吸烟)、litter(乱扔垃圾)、cycle(骑自行车)、touch(触摸)、keep(保持)
常考短语
public sign(公共标志)、mean different things(表示不同的意思)、no eating or drinking(禁止饮食)、no smoking(禁止吸烟)、no littering(禁止乱扔垃圾)、no cycling(禁止骑车)、no swimming(禁止游泳)、on the street(在街上)、in the park(在公园里)、keep quiet(保持安静)
必会句型
1. 询问标志含义:- What does this sign mean?(这个标志是什么意思?)
- It means “No parking.”(它的意思是 “禁止停车”。)
2. 描述标志的作用:- This sign is in the park.(这个标志在公园里。)
- It tells us we can't play here.(它告诉我们不能在这里玩。)
3. 表达能 / 不能做某事:- We can walk on the grass.(我们可以在草地上走。)
- We can't eat in the library.(我们不能在图书馆里吃东西。)
4. 确认标志位置:- Is there a sign near the lake?(湖边有标志吗?)
- Yes, there is. / No, there isn't.(是的,有。/ 不,没有。)
核心语法
1. 情态动词 can/can't(表达许可与禁止):can 表示 “可以;能够”,表允许做某事;can't 表示 “不可以;不能”,表禁止做某事,后均接动词原形,无人称和数的变化。
2. 一般现在时特殊疑问句(what does...mean?):用于询问标志的含义,主语为单数名词时,助动词用 does,实义动词 mean 用原形。
考
点
速
记
考点 01
情态动词 can/can't(表达许可与禁止)
1. 定义:情态动词 can 表示 “可以、能够”,用于表达允许做某事;can't 表示 “不可以、不能”,用于表达禁止做某事,二者后均接动词原形,无人称和数的变化。
2. 常用句型:
肯定句:主语 + can + 动词原形 + 其他(表许可)
否定句:主语 + can't + 动词原形 + 其他(表禁止)
一般疑问句:Can + 主语 + 动词原形 + 其他?
特殊疑问句:What + can/can't + 主语 + 动词原形 + 其他?
3. 常见搭配:can walk(可以走)、can play(可以玩)、can't eat(不能吃)、can't smoke(不能吸烟)、can't litter(不能乱扔垃圾)
提分练
一、用 can/can't 填空
1.This is a “No swimming” sign. We ______ swim here.
2.The sign means “Keep quiet”. We ______ talk loudly in the library.
3.It's a park sign. We ______ play football on the grass here.
4.There is no “No cycling” sign. We ______ ride bikes on the street.
5.The sign is in the shop. We ______ drink juice here.
二、单项选择
( ) 1. - ______ we eat ice cream here? - No, we ______. There's a “No eating” sign.
A. Can; can't B. Do; don't C. Are; aren't
( ) 2. The sign near the lake means “No fishing”. We ______ fish here.
A. can B. can't C. don't
( ) 3. - Can we play basketball in the playground? - ______. It's a safe place.
A. No, we can't B. Yes, we can C. Yes, we do
( ) 4. We ______ touch the wet paint. It's dangerous.
A. can B. don't C. can't
( ) 5. - What ______ we do here? - We ______ read books. It's a reading room.
A. can; can B. can't; can't C. do; do
考点 02
一般现在时特殊疑问句(what does...mean?)
1. 定义:用于询问单个标志的含义,是本单元核心句型,主语为单数名词(this sign/that sign/it)时,助动词用 does,实义动词 mean 必须用原形。
2. 句式结构:
问句:What + does + 单数主语(this/that sign/it)+ mean?
答句:It means + 标志含义(如 “No littering.”/“You can't walk here.”)
3. 拓展:主语为复数名词(these/those signs)时,助动词用 do,问句为 What do these signs mean?
提分练
一、用所给单词的适当形式填空
1.What ______ (do) this sign ______ (mean)?
2.What ______ (do) those signs ______ (mean)?
3.It ______ (mean) “No cycling”. We can't ride bikes here.
4.What ______ (do) it ______ (mean)? - It ______ (mean) we can play here.
5.The sign ______ (not mean) “Go straight”. It ______ (mean) “Stop”.
二、单项选择
( ) 1. - What ______ this sign mean? - It ______ “No smoking”.
A. do; mean B. does; means C. does; mean
( ) 2. - What do these signs ______? - They mean we can't litter here.
A. mean B. means C. meaning
( ) 3. It's a red sign. What ______ it ______?
A. do; mean B. does; means C. does; mean
( ) 4. - What does the sign near the door mean? - ______ means “No entry”.
A. He B. It C. They
( ) 5. What ______ that sign mean? It ______ we can drink water here.
A. do; mean B. does; mean C. does; means
参考答案
(1) 情态动词 can/can't(表达许可与禁止)
一、用 can/can't 填空
1.can't
2.can't
3.can
4.can
5.can't
二、单项选择
1.A
解析:询问能否做某事用情态动词 can,否定回答用 can't,故选 A。
2. B
解析:“No fishing” 表示禁止钓鱼,用 can't 表禁止,故选 B。
3. B
解析:操场是安全的地方,允许打篮球,can 引导的问句肯定回答用 Yes, we can,故选 B。
4. C
解析:湿油漆很危险,禁止触摸,用 can't 表禁止,故选 C。
5. A
解析:阅览室里可以看书,问句和答句均用 can 表许可,故选 A。
(2)一般现在时特殊疑问句(what does...mean?)
一、用所给单词的适当形式填空
1.does; mean
2.do; mean
3.means
4.does; mean; means
5.doesn't mean; means
二、单项选择
1.B
解析:主语 this sign 是单数,助动词用 does;答句主语 It 是单数,实义动词用 means,故选 B。
2.A
解析:助动词 do 后接实义动词原形,mean 用原形,故选 A。
3.C
解析:主语 it 是单数,助动词用 does,后接动词原形 mean,故选 C。
4.B
解析:指代前文的 the sign 用代词 It,故选 B。
5.C
解析:主语 that sign 是单数,助动词用 does;答句主语 It 是单数,实义动词用 means,故选 C。
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