來源:網(wǎng)絡(luò)資源 2023-09-29 21:59:38
情態(tài)動(dòng)詞can的用法
can+動(dòng)詞原形,它不隨主語的人稱和數(shù)而變化。
1.含有can的肯定句:
主語+can+謂語動(dòng)詞的原形+其他。
2.含有can的否定句:
主語+can't+動(dòng)詞的原形+其他。
3.變一般疑問句時(shí),把can提前:
Can+主語+動(dòng)詞原形+其他?
肯定回答:Yes,主語+can。
否定回答:No,主語+can't.
4.含有can的特殊疑問句:
特殊疑問詞+can+主語+動(dòng)詞原形+其他?
I can speak English.
→I can't speak English.
→Can you speak English?
→What can you speak?
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what time和when引導(dǎo)的特殊疑問句
1.詢問鐘點(diǎn)時(shí)用what time,詢問日期、月份、年份時(shí)用when。
2. What's the time?=What time is it?
現(xiàn)在幾點(diǎn)了?
3.時(shí)刻表達(dá)法:
順讀法和逆讀法。
順讀法:“鐘點(diǎn)+分鐘”直接讀數(shù)字。
如:7:05 seven five;8:16 eight sixteen
逆讀法:借助介詞past或to表示,要先說分再說鐘點(diǎn)。
a.當(dāng)分鐘不超過30分鐘時(shí)(包括30分鐘),即<或=30,用past表示。其結(jié)構(gòu)為:“分鐘+past+整點(diǎn)”意為“幾點(diǎn)過幾分”。
如:1:25twenty - five past one
b.當(dāng)超過30分鐘時(shí),即>30,用to表示。其結(jié)構(gòu)為:“所差分鐘(即60-所過分鐘數(shù))+to+下一個(gè)整點(diǎn)”,to譯成“差”,差幾分鐘到幾點(diǎn)。
如:4:38 twenty-two to five
c.當(dāng)分鐘為30分鐘用half表示,當(dāng)分鐘為15分鐘用a quarter.
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how引導(dǎo)的特殊疑問句
1. how引導(dǎo)的特殊疑問句提問交通方式,其答語分三種情況:
a. take a/an/the+交通工具(單數(shù))
b. by+交通工具(單數(shù))
c. on/in+限定詞+交通工具
—How do you go to school every day?
—I take a bus to go to school every day.
/I go to school by bus every day.
/I go to school on the bus every day.
2. how far用來提問距離,多遠(yuǎn),其答語分為兩種:
(1)用長度單位表示:It is five kilometers.
(2)用時(shí)間表示:It’s twenty minutes’walk.
3. how long用來提問時(shí)間,意為多久回答常用“for+時(shí)段”。
—How long have you learnt English?
—For 3 years.
4. how soon用來提問做完某事還需要多長時(shí)間, 用于將來時(shí)態(tài), 常用“in+時(shí)間段”來回答。
—How soon will you arrive in Beijing?
—In 3 hours.
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祈使句
祈使句一般表示請(qǐng)求、命令、勸說、號(hào)召、警告等。一般以動(dòng)詞原形開頭,句末可以用感嘆號(hào)或句號(hào)。
1.肯定的祈使句:
(1)實(shí)義動(dòng)詞原形+其他:Please look at that boy.
(2) be動(dòng)詞原形+形容詞+其他:Be quiet, please.
2
(1) Don’t+實(shí)義動(dòng)詞+原形Don't stand there.
(2) Don’t be+形容詞+其他Don't be so noisy.
(3) No+n./V-ing
No photos.不許照相。
No talking.不許談話。
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There be結(jié)構(gòu)
There be句型主要用以表達(dá)“某處有某人(某物),強(qiáng)調(diào)存在”其基本結(jié)構(gòu)為“There be+某物(某人)+某地”,有時(shí)為了強(qiáng)調(diào)地點(diǎn),也可把地點(diǎn)狀語放在句首。
There is a book on the desk.
On the desk there is a book.
(1)
“There be+主語(某人/某物)+介詞短語”
There are three people in my family.
我家有三口人。
There is a pen and two books on the desk.
書桌上有一支鋼筆和兩本書。
(2)
“There be+not+主語+介詞短語”
There isn’t a boy in the room.
房間里沒有一個(gè)男孩。
There aren’t any books on the desk.
書桌上沒有書。
注意:
“There be句型”的否定式的構(gòu)成和含有be動(dòng)詞的其他句型一樣,在be后加not或no即可。
注意not和no的不同:
not是副詞,no為形容詞,所以not a/an/any+n,相當(dāng)于no+n。
There aren’t any pictures on the wall.
=There are no pictures on the wall.
There isn’t a bike behind the tree.
=There is no bike behind the tree.
(3)疑問式:
Be there+主語+介詞短語?”
肯定回答是:“Yes, there be.”否定回答是:“No, there+be與not的縮寫形式”。
—Is there a lamp in your bedroom?
在你的臥室里有臺(tái)燈嗎?
—Yes, there is.
是的,有。
—Are there any clock in the living room?
客廳里有鐘嗎?
—No, there aren’t.
不,沒有。
(4)特殊疑問句:
一般有兩種句型結(jié)構(gòu)
How many+復(fù)數(shù)名詞+are/were there+介詞短語?
There’re many children in the park.
How many children are there in the park?
How much+不可數(shù)名詞+is/was there+介詞短語?
There was little rain around the year.
How much rain was there around the year?
就近原則:
即be和距其最近的主語保持一致。
There are some pens and a book on the floor.
=There is a book and some pears on the floor.
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