人教版八年级英语上册unit3精讲笔记
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difficult More~ popular Most~
• 【即学活用】
（一）比较级与最高级形式： • long____ _____ wide ______ ______ heavy____ ______ slow _____ _____ few____ _____ happy_____ ______ unhappy________ fat ____ _____ far____ _____ • quickly _____ ______badly _____ _____brightly______ ____ • (二)用所给词的正确形式填空：
• 知识点5
• That’s Tara, isn’t it? 那是塔拉，是吗？ • 【讲解】 • 本句式反意疑问句。反意疑问句是指陈述句后附加一个简短问句， 征询肯定或否定的意见，或者希望陈述句所说的内容得到证实。
• 反意疑问句的结构如下： • (1)肯定的陈述句+否定的简短问句 • She is a good student, isn’t she? 她是个好学生，是吧？ • ---Yes，she is. 是的，她是。 • ---No, she isn’t. 不，她不是。 • (2)否定的陈述句+肯定的简短问句 • Pipi didn’t go to school yesterday, did he?皮皮昨天没有去上学，是吧？ ---yes，he did. 不，他去了。 ---no，he didn’t. 是的，他没去。
知识点3. 形容词比较级和最高级规则变化
词 尾 变 化 原级
tall hard large big hot thin
比较级
Taller Harder larger Bigger Hotter Thinner Happier drier
最高级
Tallest Hardest largest Biggest Hottest thinnest Happiest driest
• 3.根据中文完成句子.
• • • • • • (1) 我比我的弟弟大三岁. I’m___________________ than my brother. (2) 这棵树要比那棵树高. This tree______________ than that one. (3) 你比他矮. You are________ than him. (4) 他比你更强壮. He is _________than you.
• 知识点6
• Tara works as hard as Tina. 塔拉学习和蒂娜一样努力。 • 【讲解】 As…as 意为‘和…一样…’ , as…as中间用形容词或副词的原级 (as +形容词原级/副词原级+as）,其否定结构为not as…as，意为 ‘不像…那样…’ • I gets up as early as Jim. 我和吉姆起得一样早。 • She isn’t as beautiful as you. 她没你漂亮。 • 同级比较口诀： • 同级比较用原级，as…as 永不离 • 若是否定加not， as…as否前者 • not加在as…as前，说明两者有区别 • not加在so…as前，后者总比前者强。 • 【即学活用】Lihua’s shoes are as _____as Zhanghui’s. A. cheap B. cheaper C. cheapest D. not cheap
• 常接的修饰形容词比较级的前置词有：
• • • • • • Much / a lot / far +形容词比较级 (…得多) a lot better 好多了 A bit / a little +形容词比较级 ( 稍微…) a little earlier 早一点 Even+形容词比较级 (甚至更…) even more useful 甚至更有用
单音节词在词尾加-er(比较级)或est(最高级) 以字母e接尾的词加-r或-st 以重读闭音节结尾的词，末尾只有一 个辅音字母，应双写辅音字母再加er 或est
以辅音字母+y结尾的词变y为i再加-er, happy dry 或-est
少数以-er,-ow结尾的双音节词可加-er narrow Narrower Narrowest clever cleverer cleverest 或-est 多音节词和多数双音节词在其前面加 more 和most
• • • • • • • • 1. Of the two girls, I find Lucy the _______________ (clever). 2. Gold(黄金) is _______________ (little) useful than iron(铁). 3. My sister is two years __________ (old ) than I. 4. John’s parents have four daughters, and she is the _______ (young) child. 5. The ___________ (cheap) bags are not usually the best ones. 6. The short one is by far ___________________ expensive of the five. 7. The boy is not so ______________ (interesting) as his brother. 8. Dick sings ________ (well), she sings __________(well) than John, but Mary sings _________(well) in her class. • 9. She will be much ________________ (happy) in her mew house. • 10. This dress is ___________________ than that one. (expensive)
• • • • • • • • • • • • •
【活学即用】 1. Tony is not as clever as Lucy, but he works____ than her. A. hard B. harder C. hardest D. the hardest 2. This room is too small, we should find a ____one. A. big B. smaller C. bigger D. biggest 3. the more you smile, the_____ you will feel. A. happy B. happier C. happily D. more happy 4. who is ______, you or he? A. clever B. cleverer C. cleverest D. more clever 5. Jack runs as _____as Sam. A. faster B. fast C. fastly D. more fast 6. 她越来越漂亮了 ________________________________________
ຫໍສະໝຸດ Baidu
• 【即学活用】 • 1.The box was ______than I thought. I was out of breath(气 喘吁吁) when I got home. • A. more heavier B. much heavier C. heavy D. very heavy • 2.Jim is 40 kg. Tom is 38 kg. Tom is ________ than Jim. • A. taller B. thinner C. heavier D. fater
• 5. the+比较级，the+比较级 （越…, 越…） • The more you careful, the fewer mistakes you will make. • 6.疑问词+be+形容词比较级，A or B ？ • Which is bigger, the earth or the moon? • 7.疑问词+实义动词+副词比较级，A or B ？ • Who draws better， Jenny or Lucy？
Unit 3 精讲笔记A
知识点1
Sam plays them better than Tom. 萨姆比汤姆敲的好。
【讲解】
better意为‘更好地，较好地’，在此处是副词well的比较级,修饰 动词play。 Good –better –best Well-better-best 比较级往往用在两者之间的比较，最高级用在三者或三者以上比较 She sings very well, but Jim sings better than her. 她歌唱的很好，但是吉姆比她唱的更好。
回答反意疑问句，答语含义是依据。 肯定事实用yes， 否定事实no来替。
•
• • • • • • • • • • • • •
【即学活用】 1.He didn’t go to the park yesterday, did he? ---_____. He was ill yesterday. A. Yes, he did B. No, he did C. No, he didn’t D. Yes, he didn’t 2. There's not much news in today's paper, ________? A. isn't it B. are there C. is there D. aren't there 3. The manager came here in a car, ________? A. was he B. did he C. wasn’t he D. didn’t he 4. You are not a new member, are you? ---- ____. I joined only yesterday. A. No, I’m not B. Yes, I’m not C. No, I am D. Yes, I am
【即学活用】
No one can sing_____ than her. A. good B. well C. better D. best
• 知识点2
• Sam has longer hair than Tom. 萨姆的头发比汤姆长。 • 【讲解】 • （1）这是一个含有形容词的比较级的句子。比较级用于两者或 者两类事物的比较，意为‘更…，较…’。通常用从属连词than连 接，表示比较。 • She has more books than he does. 她的书比他的多。 • （2）than是从属连词，意为‘比…’，用于形容词或副词的比较 级之后，引出比较的对象，并且比较的对象前后要一致。 • He is taller than me. 他比我高。 • （3）比较级的结构： • A+ be+形容词比较级+than +B； • A +have/has +形容词比较级+名词+than +B • My bike is more expensive than that one. 我的自行车比那个贵。 I have shorter legs than Pipi. 我的腿比皮皮的腿短。
• 知识点4 比较级的常用句型结构：
• 1. A+ be+形容词比较级+ than +B ( A比B….) A+实义动词+副词比较级+ than +B Tom is taller than Jim. I got up earlier than my mother. 2. A +be+(倍数)+形容词比较级+ than +B ( A比B…几倍) A+实义动词+(倍数)+形容词比较级+ than +B This room is three times bigger than that one. He runs three times faster than his brother. 3. A+ be +the +形容词比较级+of the two+复数可数名词 ( A是两者中比较…的) Look at the two boys. My brother is the taller of the two. 4. 比较级+and+比较级 / more and more+原级 ( 越来越…) He is getting taller and taller. She is more and more beautiful.
• 【即学活用】
（一）比较级与最高级形式： • long____ _____ wide ______ ______ heavy____ ______ slow _____ _____ few____ _____ happy_____ ______ unhappy________ fat ____ _____ far____ _____ • quickly _____ ______badly _____ _____brightly______ ____ • (二)用所给词的正确形式填空：
• 知识点5
• That’s Tara, isn’t it? 那是塔拉，是吗？ • 【讲解】 • 本句式反意疑问句。反意疑问句是指陈述句后附加一个简短问句， 征询肯定或否定的意见，或者希望陈述句所说的内容得到证实。
• 反意疑问句的结构如下： • (1)肯定的陈述句+否定的简短问句 • She is a good student, isn’t she? 她是个好学生，是吧？ • ---Yes，she is. 是的，她是。 • ---No, she isn’t. 不，她不是。 • (2)否定的陈述句+肯定的简短问句 • Pipi didn’t go to school yesterday, did he?皮皮昨天没有去上学，是吧？ ---yes，he did. 不，他去了。 ---no，he didn’t. 是的，他没去。
知识点3. 形容词比较级和最高级规则变化
词 尾 变 化 原级
tall hard large big hot thin
比较级
Taller Harder larger Bigger Hotter Thinner Happier drier
最高级
Tallest Hardest largest Biggest Hottest thinnest Happiest driest
• 3.根据中文完成句子.
• • • • • • (1) 我比我的弟弟大三岁. I’m___________________ than my brother. (2) 这棵树要比那棵树高. This tree______________ than that one. (3) 你比他矮. You are________ than him. (4) 他比你更强壮. He is _________than you.
• 知识点6
• Tara works as hard as Tina. 塔拉学习和蒂娜一样努力。 • 【讲解】 As…as 意为‘和…一样…’ , as…as中间用形容词或副词的原级 (as +形容词原级/副词原级+as）,其否定结构为not as…as，意为 ‘不像…那样…’ • I gets up as early as Jim. 我和吉姆起得一样早。 • She isn’t as beautiful as you. 她没你漂亮。 • 同级比较口诀： • 同级比较用原级，as…as 永不离 • 若是否定加not， as…as否前者 • not加在as…as前，说明两者有区别 • not加在so…as前，后者总比前者强。 • 【即学活用】Lihua’s shoes are as _____as Zhanghui’s. A. cheap B. cheaper C. cheapest D. not cheap
• 常接的修饰形容词比较级的前置词有：
• • • • • • Much / a lot / far +形容词比较级 (…得多) a lot better 好多了 A bit / a little +形容词比较级 ( 稍微…) a little earlier 早一点 Even+形容词比较级 (甚至更…) even more useful 甚至更有用
单音节词在词尾加-er(比较级)或est(最高级) 以字母e接尾的词加-r或-st 以重读闭音节结尾的词，末尾只有一 个辅音字母，应双写辅音字母再加er 或est
以辅音字母+y结尾的词变y为i再加-er, happy dry 或-est
少数以-er,-ow结尾的双音节词可加-er narrow Narrower Narrowest clever cleverer cleverest 或-est 多音节词和多数双音节词在其前面加 more 和most
• • • • • • • • 1. Of the two girls, I find Lucy the _______________ (clever). 2. Gold(黄金) is _______________ (little) useful than iron(铁). 3. My sister is two years __________ (old ) than I. 4. John’s parents have four daughters, and she is the _______ (young) child. 5. The ___________ (cheap) bags are not usually the best ones. 6. The short one is by far ___________________ expensive of the five. 7. The boy is not so ______________ (interesting) as his brother. 8. Dick sings ________ (well), she sings __________(well) than John, but Mary sings _________(well) in her class. • 9. She will be much ________________ (happy) in her mew house. • 10. This dress is ___________________ than that one. (expensive)
• • • • • • • • • • • • •
【活学即用】 1. Tony is not as clever as Lucy, but he works____ than her. A. hard B. harder C. hardest D. the hardest 2. This room is too small, we should find a ____one. A. big B. smaller C. bigger D. biggest 3. the more you smile, the_____ you will feel. A. happy B. happier C. happily D. more happy 4. who is ______, you or he? A. clever B. cleverer C. cleverest D. more clever 5. Jack runs as _____as Sam. A. faster B. fast C. fastly D. more fast 6. 她越来越漂亮了 ________________________________________
ຫໍສະໝຸດ Baidu
• 【即学活用】 • 1.The box was ______than I thought. I was out of breath(气 喘吁吁) when I got home. • A. more heavier B. much heavier C. heavy D. very heavy • 2.Jim is 40 kg. Tom is 38 kg. Tom is ________ than Jim. • A. taller B. thinner C. heavier D. fater
• 5. the+比较级，the+比较级 （越…, 越…） • The more you careful, the fewer mistakes you will make. • 6.疑问词+be+形容词比较级，A or B ？ • Which is bigger, the earth or the moon? • 7.疑问词+实义动词+副词比较级，A or B ？ • Who draws better， Jenny or Lucy？
Unit 3 精讲笔记A
知识点1
Sam plays them better than Tom. 萨姆比汤姆敲的好。
【讲解】
better意为‘更好地，较好地’，在此处是副词well的比较级,修饰 动词play。 Good –better –best Well-better-best 比较级往往用在两者之间的比较，最高级用在三者或三者以上比较 She sings very well, but Jim sings better than her. 她歌唱的很好，但是吉姆比她唱的更好。
回答反意疑问句，答语含义是依据。 肯定事实用yes， 否定事实no来替。
•
• • • • • • • • • • • • •
【即学活用】 1.He didn’t go to the park yesterday, did he? ---_____. He was ill yesterday. A. Yes, he did B. No, he did C. No, he didn’t D. Yes, he didn’t 2. There's not much news in today's paper, ________? A. isn't it B. are there C. is there D. aren't there 3. The manager came here in a car, ________? A. was he B. did he C. wasn’t he D. didn’t he 4. You are not a new member, are you? ---- ____. I joined only yesterday. A. No, I’m not B. Yes, I’m not C. No, I am D. Yes, I am
【即学活用】
No one can sing_____ than her. A. good B. well C. better D. best
• 知识点2
• Sam has longer hair than Tom. 萨姆的头发比汤姆长。 • 【讲解】 • （1）这是一个含有形容词的比较级的句子。比较级用于两者或 者两类事物的比较，意为‘更…，较…’。通常用从属连词than连 接，表示比较。 • She has more books than he does. 她的书比他的多。 • （2）than是从属连词，意为‘比…’，用于形容词或副词的比较 级之后，引出比较的对象，并且比较的对象前后要一致。 • He is taller than me. 他比我高。 • （3）比较级的结构： • A+ be+形容词比较级+than +B； • A +have/has +形容词比较级+名词+than +B • My bike is more expensive than that one. 我的自行车比那个贵。 I have shorter legs than Pipi. 我的腿比皮皮的腿短。
• 知识点4 比较级的常用句型结构：
• 1. A+ be+形容词比较级+ than +B ( A比B….) A+实义动词+副词比较级+ than +B Tom is taller than Jim. I got up earlier than my mother. 2. A +be+(倍数)+形容词比较级+ than +B ( A比B…几倍) A+实义动词+(倍数)+形容词比较级+ than +B This room is three times bigger than that one. He runs three times faster than his brother. 3. A+ be +the +形容词比较级+of the two+复数可数名词 ( A是两者中比较…的) Look at the two boys. My brother is the taller of the two. 4. 比较级+and+比较级 / more and more+原级 ( 越来越…) He is getting taller and taller. She is more and more beautiful.