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Unit 21 What are you doing?練習(xí)
Unit 21 What are you doing?練習(xí)A
【請(qǐng)你一試】
時(shí)態(tài)填空。
1.The bird_________________(sing) in the tree now.
2.You_______________(not read). You__________(write) now.
3.- ______________ she_____________(run) near the lake?
- Yes, she is.
4.-What are you doing?
- I____________(make) the bed.
【分析歸納】
現(xiàn)在進(jìn)行時(shí)表示現(xiàn)在或現(xiàn)階段正在進(jìn)行的動(dòng)作或存在的狀態(tài)。現(xiàn)在進(jìn)行時(shí)是由助動(dòng)詞be+動(dòng)詞的現(xiàn)在分詞構(gòu)成。助動(dòng)詞be隨著主語(yǔ)人稱和數(shù)的變化而變化,即I am doing, You are do-ing, We are doing, They are doing, She /He is doing.
動(dòng)詞現(xiàn)在分詞形式構(gòu)成的幾種方法:
【答案詳解】
1.high和low都不能用來(lái)表示人高或矮,因此選A。
2.表示樹的高度時(shí)常用tall。
3.用來(lái)表示一個(gè)人或物高高在上時(shí),常用high,而tall或short不能用來(lái)表達(dá)此意。故此題選B。
4.tall或short不能用作副詞修飾動(dòng)詞,而high可以用做副詞。所以正確答案為C。一般情況下,在動(dòng)詞末尾加ing,例如:
play - playing go - going read - readingclean - cleaning work - working
以不發(fā)音的字母e結(jié)尾的動(dòng)詞,先去掉e,再加ing。例如:
come - coming make - making ride - ridingtake - taking have - having
以重讀閉音節(jié)結(jié)尾的動(dòng)詞,中間只有一個(gè)元音字母,詞尾只有一個(gè)輔音字母,構(gòu)成現(xiàn)在分詞時(shí),要雙寫這個(gè)輔音字母再加ing。例如:
put - putting sit - sitting run - running
begin - beginnig get - getting
注意:begin的重讀閉音節(jié)是在第二個(gè)音節(jié)上,所以要雙寫n。如果重讀在第一個(gè)音節(jié)上,詞尾的輔音字母則不雙寫。如:listen - listening
現(xiàn)在進(jìn)行時(shí)的否定形式的構(gòu)成是在助動(dòng)詞be后加not。isnot可以縮寫成isn’ t,are not可以縮寫成aren’ t,am not沒有縮寫形式。現(xiàn)在進(jìn)行時(shí)的疑問形式是把助動(dòng)詞be放在主語(yǔ)之前,句尾加問號(hào)。一般疑問句讀升調(diào),特殊疑問句讀降調(diào)。一般疑問句的肯定句回答用“Yes,主語(yǔ)+助動(dòng)詞be”,否定回答用“No,主語(yǔ)+助動(dòng)詞be+not”。例如:
She is drawing a picture. 她在畫畫。
—Are you reading a book?你在看書嗎?
—Yes, I am. /No, I’ m not. (No, I am not. )是的,我在看書。/不,我不在看書。
—What are you doing now?你在干什么?
—I’ m doing my homework now. 我在做家庭作業(yè)。
They are not making a plane. They are playing cards. 他們不在制做飛機(jī),他們?cè)诖蚺啤?/p>
答案:
1.is singing
2.a(chǎn)ren’ t reading. are writing
3.Is, running
4.a(chǎn)m making
【知識(shí)遷移】
I.看圖回答問題。
1.-What is Meimei doing?
-________________
2.What are they doing?
-_________________
3.-Are they playing basketball now?
-___________________
-________
4.-What are you doing?
-________________
5.-Are you doing your home work now?
-__________________
6.-Are you putting on your clothes?
-____________________
Ⅱ.完形填空。
It’ s a fine Sunday morning. There 1 many children in the park. They 2 happily. Some 3 photos under a big tree. Some girls are singing and 4 . 5 are running up the hill. Li Lei 6 by the lake. He is reading a book. What Jim 7 now? He 8 with a yo-yo.
1.A.is
B.a(chǎn)re
C.have
2.A.a(chǎn)re playing
B.is playing
C.play
3.A.is taking
B.take
C.a(chǎn)re taking
4.A.dancing
B.dance
C.fly a kite
5.A.A boy
B.Some boys
C.Tom
6.A sit
B.sits
C.is sitting
7.A.is, doing
B.a(chǎn)re doing
C.does, do
8.A.plays
B.is playing
C.a(chǎn)re playing
【答案詳解】
1.1.She is going to school.
2.They are having an English lesson.
3.Yes, they are.
4.We are cleaning the classroom.
5.No, we aren’ t.
6.Yes, I am.
Ⅱ.1.B 空格后為復(fù)數(shù)名詞many children,不能用is。have不能和there連用表示“某地有某物”。此空選are符合語(yǔ)法要求。
2.A通過上下文可知,本短文講述的是目前正在發(fā)生的事情,所以此句應(yīng)用現(xiàn)在進(jìn)行時(shí),C.play是一般現(xiàn)在時(shí),不符合要求。此句的主語(yǔ)是they,而B.is playing只能和單數(shù)第三人稱連用,應(yīng)排除。故正確答案為A。
3.C some作主語(yǔ)時(shí),用做復(fù)數(shù)形式,因此只能選擇C。take只能用于一般現(xiàn)在時(shí)的句子中。
4.A and連接的動(dòng)詞形式前后應(yīng)一致,and前面是singing,所以此空填dancing符合要求。
5.B 空格后的謂語(yǔ)are runnnig只能和復(fù)數(shù)名詞或代詞連用。A項(xiàng)和C項(xiàng)均為單數(shù)形式,不符合語(yǔ)法規(guī)則。
6.C 此句需用現(xiàn)在進(jìn)行時(shí),因此is sitting為正確答案。
7.A 根據(jù)句中的時(shí)間狀語(yǔ)now,可以判斷此句應(yīng)用現(xiàn)在進(jìn)行時(shí)。本句的主語(yǔ)是單數(shù)形式,所以正確答案為A。
8.B 答句和問句的時(shí)態(tài)應(yīng)一致,答案B符合要求。
B
【請(qǐng)你一試】
根據(jù)漢語(yǔ)句意,完成英語(yǔ)句子。
1.他們正在看足球比賽。
They are_____________a football match now.
2.請(qǐng)看黑板。
Please______________at the blackboard.
3.你能看見天上的風(fēng)箏嗎?
Can you______________the kite in the sky?
4.那個(gè)女孩在教室里看書。
The girl_____________a book in the classroom now.
【分析歸納】
watch意為“觀看”、“注視”、“仔細(xì)打量”,表示特別留意,感興趣地看運(yùn)動(dòng)著的東西。例如:She is watching TV. 她在看電視。
look意為“看”,只強(qiáng)調(diào)看的動(dòng)作,不管結(jié)果如何,是不及物動(dòng)詞,后面需加介詞at,構(gòu)成動(dòng)詞短語(yǔ)。例如:The students are looking at the teacher. 學(xué)生們都在看著老師。
see意為“看到”、“看見”,強(qiáng)調(diào)看的結(jié)果,有意或無(wú)意地看到,不能用于進(jìn)行時(shí)。例如:I look at the blackboard, but I can’ t see anything on it. 我看黑板,但什么也沒看到。
read意為“讀”、“閱讀”,強(qiáng)調(diào)看書面的內(nèi)容。例如:Meimei is reading a story book. 梅梅在看一本故事書。以上完成句子的答案為
1.watching
2.look
3.see
4.is reading
【知識(shí)遷移】
選擇填空。
1.Tom and Jim_____________a basketball match now.
A.watch B.a(chǎn)re watching
C.a(chǎn)re looking at D.see
2.She_____________ a story book under a tree.
A.look at B.is watching
C.is reading D.see
3._________ ! The bird is high up in the tree.
A.Look B.See C.Watch D.Read
4.I can’ t__________the plane in the sky. It is too high.
A.look B.watch C.see D.read
【答案詳解】
1.B 空后的賓語(yǔ)是a basketball match,句子的時(shí)間狀語(yǔ)是now,因此只能選are watching。
2.C 看的內(nèi)容是文字性的書籍時(shí),通常用read。此句為現(xiàn)在進(jìn)行時(shí),故選C。
3.A 當(dāng)需要引起別人對(duì)某事的注意時(shí),通常用look來(lái)表示。
4.C 如果要強(qiáng)調(diào)看的結(jié)果時(shí),一般用see。
C
【請(qǐng)你一試】
根據(jù)漢語(yǔ)提示,完成句子。
1.He is________(穿著)a red coat.
2.She__________(穿上)her coat and goes out.
3.She_______(戴著)a red flower.
【分析歸納】
put on指“穿上”、“穿戴”這一動(dòng)作。wear表示“穿戴在身上”的狀態(tài),強(qiáng)調(diào)持續(xù)性,意思相當(dāng)于“be in+顏色(a+顏色+衣服)”。例如:
It’ s cold.Put on your coat, please. 天氣冷,請(qǐng)穿上外衣。
She wears jean at home. 她在家里常穿牛仔褲。
He wears a watch to the school. 他戴著一塊表去上學(xué)。
She wears a blue sweater. =She is in a blue sweater。地穿著一件藍(lán)色羊毛衫。
以上完成句子的答案為1.wearing
2.puts on
3.wears/is wearing
【知識(shí)遷移】
用wear, put on或in填空,注意動(dòng)詞的時(shí)態(tài)。
1.She___________a white dress today.
2- What is Jim doing now?
- He___________his clothes.
3.The old man__________ a new hat.
4.-Is she___________a blue dress?
- Yes, she is.
【答案詳解】
1.wears/is wearing。本句意為“她今天穿著白色服裝。”強(qiáng)調(diào)“穿著”的狀態(tài)。
2.is putting on 。從問句看,是在問吉姆在干什么,強(qiáng)調(diào)的是動(dòng)作,所以選put on。問句為現(xiàn)在進(jìn)行時(shí),應(yīng)答語(yǔ)的時(shí)態(tài)也應(yīng)和問句保持一致,因此填is putting on。
3.wears/is wearing。本句意為“這位老人戴著新帽子!北硎尽按鳌钡臓顟B(tài)。
4.in/wearing。本句意為“她穿著藍(lán)色的衣服嗎?”
D
【請(qǐng)你一試】
找出下列各句中的錯(cuò)誤并改正。
1.-What are you finding ?
-I’ m looking for my book.
2.Where is my yo - yo? I can’ t look for it.
【分析歸納】
look for意為“尋找”,強(qiáng)調(diào)“找”的動(dòng)作或過程,不注重“找”的結(jié)果。find意為“找到”,強(qiáng)調(diào)“找”的結(jié)果,一般不用于現(xiàn)在進(jìn)行時(shí)。例如:
-Are you looking for something?你在找東西嗎?
-Yes, I am. 是的,我在找東西。
-Where are the twins? I can’ t find them. 孿生姐妹去哪兒了?我找不到她們了。
-Oh, we must find them. What are they wearing?啊,我們一定得找到他們。他們穿著什么衣服?
依據(jù)以上辨析,第一句可改為What are you looking for?意為“你在找什么?”強(qiáng)調(diào)“找”的動(dòng)作。第二句改為I can’ t find it. 意為“我找不到我的溜溜球了!睆(qiáng)調(diào)“找”的結(jié)果。
【知識(shí)遷移】
漢譯英。
1.我找不到我的襪子了。我媽媽正在找。
2.你在找你的足球嗎?你能找到的。
【答案詳解】
1.I can’ t find my socks. My mother is looking for them. 第一句中的find表示能不能找到,第二句中的looking for表示找的動(dòng)作。
2.Are you looking for your football? You can find it. 第一句中的looking for強(qiáng)調(diào)“找”的動(dòng)作或過程,第二句中的find強(qiáng)調(diào)“找”的結(jié)果。
E
【請(qǐng)你一試】
用play,play with填空,完成句子。
1.They__________ a yo -yo in the classroom now.
2.They__________football every Tuesday afternoon.
3.-__________ they___________cards under the tree?
- Yes, they are.
【分析歸納】
play with后通常接小孩玩的玩具或小動(dòng)物,意思是“玩耍”。play后通常接游戲類或球類名詞,而且這些名詞前不加冠詞,意思是“玩”、“打/踢(球)”、“同. . . . . . 比賽”。例如:
They are playing basketball . 他們正在打籃球。
She is playing with a little cat. 她正在逗小貓玩。
答案:1.a(chǎn)re playing
2.play
3.a(chǎn)re, playing
【知識(shí)遷移】
選擇填空。
1.-What are you doing?
- I____________computer games.
A.play B.a(chǎn)m playing C.a(chǎn)m playing with
2.He is very good at___________ basketball.
A.play B.playing a C.playing
3.Two boys__________ a toy boat.
A.a(chǎn)re playing with
B.a(chǎn)re playing
C.is playing with
【答案詳解】
1.B computer games為游戲類名詞,play后面不能加with。問句是現(xiàn)在進(jìn)行時(shí),那么答句的時(shí)態(tài)也應(yīng)和問句的時(shí)態(tài)相一致,因此正確答案為B。
2.C basketball為球類名詞,所以play后面不能加冠詞a。be good at意思是“擅長(zhǎng)于”,后接動(dòng)詞時(shí)常加ing。本句意為“他很擅長(zhǎng)打籃球!
3.A 和玩具類名詞連用時(shí),play后通常要用with,因此應(yīng)排除B。本句的主語(yǔ)是復(fù)數(shù)形式,而B項(xiàng)只能和單數(shù)形式的主語(yǔ)連用。
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