内容正文:
Unit 1 Try your best
专题01 基础知识·易错题专项训练
1.字母组合“ee”的发音规则 2.动词practise的用法
3.be good at的用法 4.形容词afraid的用法
5.动词try的用法 6.句型Why don’t you......用法
高频易错点、易错点提示、小练笔、答题点拨
易错精讲
高频易错点01
字母组合“ee”的发音(P12)
Keep working hard
Like a busy little bee.
See yourself grow
As tall as a tree.
字母组合“ee”在这里发音/i:/,如
keep /kiːp/ bee /biː/ see /siː/ tree /triː/
易错点提示
字母组合 ee 的两类发音
主流发音:长元音 /iː/
发音特点: 长音,嘴角向两边拉开,声音拉长。
sheep /ʃiːp/、feet /fiːt/、meet /miːt/、green /ɡriːn/
特殊发音:短元音 /ɪ/
字母ee不再连读成一个长音,拆分弱读短音 /ɪ/
coffee /ˈkɒfi/ 咖啡 trolley /ˈtrɒli/ 有轨电车
小练笔
判断划线部分发音是否相同,相同写S,不同写D
( )1. bee tree ( )2. see pen
( )3. keep desk ( )4. sheep feet
( )5. meet bed ( )6. green tree
点拨
1. 答案:S bee /biː/ & tree /triː/ 均含ee /iː/
2. 答案:D see /siː/;pen /pen/ 字母e发/e/
3. 答案:D keep /kiːp/;desk /desk/ e发/e/
4. 答案:S sheep /ʃiːp/ & feet /fiːt/ ee /iː/
5. 答案:D meet /miːt/;bed /bed/ e发/e/
6. 答案:S green /ɡriːn/ & tree /triː/ ee /iː/
高频易错点02
Bobby practised singing in the morning.(P10)
practise 是动词,意为“练习”,常考用法:
practise doing sth. 练习做某事
Mike practices playing basketball after school.
Mike放学后练习打篮球。
易错点提示
注意:practise 后只能加动词 - ing,绝对不能加 to do 或动词原形
Bobby practised singing in the morning.
波比早上练习唱歌。
2. practise with sb. 和某人一起练习
She asked Su Yang to practise with her.
她让苏洋和她一起练习。
3.区分:practise(动词): practise doing 练习做
practice(名词): do some practice 做练习
小练笔
用所给词的适当形式填空。
1.She practices ____ (draw) every day.
2.Bobby ____ (practise) singing with Sam last week.
3.Let's practise ____ (speak) English.
根据中文补全句子。
4.我第一次练习表演。
I ____ (practise) ____ (act) for the first time.
5.他和我一起练习。
He ____ ____ me.
点拨
1. 答案:drawing解析:固定搭配 practise doing sth.(练习做某事),practise后接动词ing形式,draw变动名词为drawing。
2. 答案:practised解析:时间标志词 last week(上周)表示一般过去时,动词practise使用过去式practised。
3. 答案:speaking解析:practise后必须加动名词,speak的ing形式是speaking。
4. 答案:practised;acting解析:“第一次练习表演”为过去发生的事,主句动词用过去式practised;practise doing,act变为acting。
5. 答案:practises with解析:固定短语 practise with sb. 和某人一起练习;主语He是第三人称单数,一般现在时practise变为三单practises。
高频易错点03
I’m not good at singing.(P10)
be good at....意为“擅长……;在…… 方面做得好”,at 是介词,后接名词 /代词宾格 /动词- ing 形式,如:
I am good at singing. 我擅长唱歌。
Su Hai likes playing the piano. She is good at it. 苏海喜欢弹钢琴,而且弹得很好。易错点提示
1.反义词:be bad at(不擅长……)
Bobby is bad at keeping his room tidy. 波比不擅长保持房间整洁。
2.同义短语:do well in
He is good at English. = He does well in English. 他擅长英语。
小练笔
用所给词的适当形式填空。
1.He is good at _______ (draw).
2.They are good at _______ (swim).
3.I am good at _______ (dance).
单项选择。
( )4.She is good at _______ English.
A. speak B. speaking C. speaks
( )5.We _______ good at playing football.
A. am B. is C. are
点拨
1. 答案:drawing 解析:固定短语 be good at,at 是介词,介词后动词要变为动名词(doing),draw 的动名词形式为 drawing。
2. 答案:swimming 解析:be good at + 动词ing;swim 是重读闭音节,双写末尾辅音字母 m 再加 ing。
3. 答案:dancing 解析:at 后接动名词;dance 以不发音字母 e 结尾,去 e 加 ing。
4. 答案:B 解析:at 是介词,后面必须跟动词-ing形式,speak 变为 speaking,故选 B。
5. 答案:C 解析:be good at 搭配be动词,主语We(我们)是复数,对应be动词用are;am只搭配I,is搭配单数主语。
高频易错点04
First he was afraid, but then he calmed down.(P11)
afraid 是形容词,意为害怕的;担心的,是本单元高频必考词。
be afraid(单独使用) 直接表示感到害怕
结构:主语 + be 动词 + afraid
He was afraid but he tried to calm down. 他很害怕,但尽力冷静下来。
易错点提示
be afraid of + 名词 / 代词 / 动词 - ing 含义:害怕……;不敢……
注意:of 是介词,后面必须加动词 - ing,绝对不能加动词原形!
Su Hai was afraid of acting in front of many people.
苏海害怕在众人面前表演。
be afraid to do sth. 含义:害怕去做某事;不敢做某事
结构:be afraid + to + 动词原形
Don't be afraid to have a try.
别害怕试一试。
小练笔
用所给词的适当形式填空。
1.She is afraid ____ (swim) in the river.
2.He was afraid of ____ (sing) on stage.
3.Don't be afraid _______ (try) your best.
4.Su Hai _______ (be) afraid of acting before.
点拨
1. 答案:to swim解析:固定结构 be afraid to do sth. 害怕/不敢做某事,to 后接动词原形。
2. 答案:singing解析:固定结构 be afraid of doing sth.,of 是介词,后面动词要变为动名词singing。
3. 答案:to try解析:be afraid to do sth. 固定搭配,to 加动词原形。
4. 答案:was解析:before 表示从前、过去,句子用一般过去时;主语Su Hai是单数,be动词过去式用was。
高频易错点05
She wanted to try her best.(P13)
try 作为动词,意为“尝试;努力”
try one's best to do sth.表示“尽某人最大努力去做某事”,to 后面必须接动词原形
核心结构:try +形容词性物主代词+ best, 其中形容词性物主代词有 my/your/his/her/our/their。
关键点:one's 必须随主语变化,和主语保持人称一致!
My sister tries her best to learn English well.
我姐姐尽最大努力学好英语。
易错点提示
同义替换: try one’s best=do one’s best
He tries his best to run fast. = He does his best to run fast.
他尽最大努力跑得快。
try 作为名词,意为“试图,努力”,
give it a try,含义:试一试;尝试一下
同样含义的还有 have a go=have a try
小练笔
用所给词的适当形式填空。
1. I will try _______ (I) best to learn English well.
2. She tries her best _______ (help) her classmates.
3. They are trying _______ (they) best to win the game.
4. My father always tries his best _______ (make) our family happy.
单项选择。
( )5. She tried her best _______ pass the exam, but she failed.
A. solve B. solved C. to solve
( )6. This new toy is interesting. Let’s _______.
A. give it try B. give it a try C. give try it
点拨
1. 答案:my解析:固定搭配 try one’s best,one’s 要用形容词性物主代词,I 的形容词性物主代词是 my。
2. 答案:to help解析:固定短语 try one’s best to do sth. 尽某人最大努力做某事,to 后接动词原形。
3. 答案:their解析:try one’s best,主语是 They,对应的形容词性物主代词是 their。
4. 答案:to make解析:try one’s best to do sth. 固定结构,不定式 to + 动词原形。
5. 答案:C解析:try one’s best to do sth. 是固定搭配,必须用不定式 to do,因此选 to solve。
6. 答案:B解析:固定短语 give it a try 试一试,代词 it 放在中间,不能缺少冠词 a。A、C 结构均错误。
高频易错点06
why don’t you take part?(P10)
“Why don't you…?” 用于提建议、委婉劝说,意为“你为什么不…… 呢?”
句型结构:Why don't you +动词原形+其他?
★注:don't 后必须要跟主语,再跟动词原形
Why don't you listen to the teacher carefully in class?
你为什么不在课堂上认真听老师讲课?
易错点提示
同义句型:Why not +动词原形+其他?(省略 you,更简洁,意思完全相同)
Why don't you sing? = Why not sing? 你为什么不唱歌呢?
常用回答
同意建议:Good idea! / Great! / OK!
拒绝建议:I'm afraid I can't. / I have to... / Sorry, I'm busy now.
小练笔
按要求完成句子。
1. You can go to the cinema with your sister.(用 Why don't you 改写句子,表建议)
_______ _______ _______ _______ to the cinema with your sister?
2. Why don't you join the music club?(改为同义句)
_______ _______ _______ the music club?
3. 为什么不试试这件新T恤呢?(翻译句子)
_______ _______ _______ this new T-shirt?
4. 你为什么不和我们一起踢足球呢?(翻译句子)
_______ _______ _______ _______ _______ with us?
点拨
1. 答案:Why don't you go解析:固定句型 Why don't you + 动词原形,原句动词为go,直接填入原形。
2. 答案:Why not join解析:Why don't you + 动词原形 = Why not + 动词原形,去掉主语you,其余动词原形不变。
3. 答案:Why not try解析:中文“为什么不……”可用简洁同义句型 Why not + 动词原形;try 尝试,用原形。
也可写 Why don't you try,两种写法都正确。
4. 答案:Why don't you play football解析:题干带有主语“你”,选用 Why don't you 句型;play football 踢足球,play用动词原形。
综合训练
一、辨音题,判断划线部分发音,相同写S,不同写D。
( )1. bee she ( )2. tree tea
( )3. keep desk ( )4. feet sea
( )5. sleep pen ( )6. week these
二、词汇变形。
1. care (副词) ________ 2. good (副词) ________
3. practise (过去式) ________ 4. try (过去式) ________
5. move (名词复数) ________ 6. begin (过去式) ________
7. forget (过去式) ________ 8. remember (过去式) ________
9. they (形容词性物主代词) ________ 10. I (形容词性物主代词) ________
三、用所给词适当形式填空。
1. He is good at ________ (draw) cartoons.
2. They are good at ________ (swim) in summer.
3. She was afraid of ________ (act) on stage two weeks ago.
4. Don’t be afraid ________ (jump) over the small wall.
5. Bobby ________ (practise) singing every morning.
6. He ________ (practise) speaking English yesterday.
7. I will try ________ (I) best to finish the task.
8. She tried ________ (she) best to help the old man last week.
9. They are trying ________ (they) best to win the match.
10. Why don’t you ________ (have) a try?
11. We ________ (begin) to have class ten minutes ago.
12. He ________ (forget) his words just now.
四、单项选择。
( )1. —Does he do well ______ Art?
—Yes, he’s good ______ drawing.
A. in; at B. at; in C. in; in
( )2. She was afraid ______ out alone at night three years ago.
A. go B. to go C. going
( )3. My brother practises ______ basketball after school every day.
A. play B. to play C. playing
( )4. We ______ try our best to study hard from now on.
A. am B. is C. will
( )5. —Why don’t you ______ with us after school?
—Good idea!
A. run B. to run C. running
( )6. Why not ______ your best to pass the exam?
A. try B. to try C. trying
( )7. He ______ afraid of dogs two years ago.
A. is B. was C. are
( )8. This game is fun. Let’s ______.
A. give it a try B. give a try it C. give it try
( )9. It’s ______ turn to clean the classroom.
A. we B. our C. us
( )10. We take turns ______ play football after class.
A. to B. for C. of
( )11. The teacher tried ______ the excited kids ______.
A. calm down; them B. calm them down C. calm down them
( )12. They ______ ready for the show yesterday.
A. are B. were C. was
( )13. He began ______ English two years ago.
A. learn B. to learn C. learning
( )14. There are many body ______ in the show.
A. movement B. movements C. move
( )15. He ______ his homework an hour ago.
A. finish B. finishes C. finished
五、句型转换。
1. He is good at playing football.(同义句转换)
He ______ ______ ______ playing football.
2. Why don’t you join us?(改为同义句)
______ ______ join us?
3. She tries her best to finish homework every day.(改为一般过去时)
She ______ ______ ______ to finish homework yesterday.
4. They were afraid of swimming in the sea.(改为一般疑问句)
______ they ______ of swimming in the sea?
5. I will try my best to help you.(同义替换,用do one’s best)
I will ______ ______ ______ to help you.
6. Bobby practises singing every day.(改为否定句)
Bobby ______ ______ singing every day.
六、中英互译。
1. 轮到他做动作了。
________________________________________________
2. 他们准备好上台表演了。
________________________________________________
3. Don’t be afraid to try your best, you can do better.
________________________________________________
参考答案
一、辨音题,判断划线部分发音,相同写S,不同写D。
答案:1.S 2.S 3.D 4.S 5.D 6.S
解析:
1. bee /biː/,she /ʃiː/,均发长音 /iː/ → S
2. tree /triː/,tea /tiː/,ee、ea 都发 /iː/ → S
3. keep /kiːp/,desk /desk/,前者 /iː/,后者短音 /e/ → D
4. feet /fiːt/,sea /siː/,均为 /iː/ → S
5. sleep /sliːp/,pen /pen/,前者 /iː/,后者 /e/ → D
6. week /wiːk/,these /ðiːz/,均为 /iː/ → S
二、词汇变形
1. carefully 解析:care动词,副词加ful+ly
2. well 解析:good形容词,副词特殊变化well
3. practised 解析:practise规则过去式,直接加d
4. tried 解析:辅音+y结尾,变y为i加ed
5. movements 解析:move名词movement,复数加s
6. began 解析:begin不规则过去式
7. forgot 解析:forget不规则过去式
8. remembered 解析:remember规则过去式,加ed
9. their 解析:they对应的形容词性物主代词
10. my 解析:I对应的形容词性物主代词
三、用所给词适当形式填空
1. drawing
解析:be good at + 动词ing,draw变动名词drawing
2. swimming
解析:at为介词,swim双写m加ing
3. acting
解析:be afraid of + doing,of是介词
4. to jump
解析:固定结构be afraid to do sth. 害怕做某事
5. practises
解析:every morning一般现在时,主语Bobby三单,加s
6. practised
解析:yesterday一般过去时,用过去式practised
7. my
解析:try one’s best,主语I对应形容词性物主代词my
8. her
解析:主语she对应形容词性物主代词her
9. their
解析:主语they对应形容词性物主代词their
10. have
解析:Why don’t you 后接动词原形
11. began
解析:ten minutes ago十分钟前,一般过去时,begin过去式began
12. forgot
解析:just now刚才,过去时,forget过去式forgot
四、单项选择
1. A
解析:固定搭配 do well in + 科目;be good at + 动名词
2. B
解析:be afraid to do sth. 害怕做某事,to加动词原形
3. C
解析:practise doing sth. 练习做某事,只能加ing
4. C
解析:from now on从今往后,一般将来时,will+动词原形
5. A
解析:Why don’t you + 动词原形
6. A
解析:Why not + 动词原形
7. B
解析:two years ago两年前,过去时;he单数,be动词用was
8. A
解析:固定短语 give it a try 试一试,代词放中间
9. B
解析:It’s one’s turn,用形容词性物主代词our
10. A
解析:take turns to do sth. 轮流做某事
11. B
解析:calm sb. down 使某人冷静,代词必须放中间
12. B
解析:yesterday过去时,主语they复数,be动词用were
13. B
解析:begin to do sth. 开始做某事
14. B
解析:many后接可数名词复数,movement复数movements
15. C
解析:an hour ago一小时前,一般过去时,finish过去式finished
五、句型转换
1. does well in
解析:be good at = do well in,主语He三单,do变does
2. Why not
解析:Why don’t you + 动词原形 = Why not + 动词原形
3. tried her best
解析:yesterday改为过去时,try过去式tried
4. Were; afraid
解析:过去时be动词提前构成一般疑问句,they对应were
5. do my best
解析:try one’s best = do one’s best,will后加动词原形
6. doesn’t practise
解析:every day一般现在时,三单主语否定用doesn’t,动词还原practise
六、中英互译
1. It’s his turn to do movements.
解析:固定句型 It’s one’s turn to do sth. 轮到某人做某事
2. They are ready to act on stage.
解析:be ready to do sth. 准备好做某事
3. 别怕尽全力去尝试,你可以做得更好。
解析:be afraid to do害怕做;try your best尽你最大努力
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