深圳7年级上新版英语 unit1 讲解与练习语法
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授课时间：2017. 9. 16 年级：七年级 层次：提高班
语法：疑问词 and 不定冠词
特殊疑问句：以疑问代词what, who, whose, which或疑问副词when, where, why, how 等放在句首提问的句子，叫特殊疑问句。答句必须针对问句中的疑问词来回答，疑问词分为疑问代词和疑问副词。
一、特殊疑问词
(一) 疑问代词who/whom/whose/what/which
1. who, whom, whose 只能指人
Who“谁”，常作主语或宾语； eg: Who taught you math last year? (主语)
whom“谁”，作宾语，可用who替代； eg: Whom did you see? (宾语)
whose“谁的”，常作定语 + 名词。 eg: Whose father works in Shenzhen? (定语)
2, what“什么”，用来询问物或数量，用来询问人时涉及人的职业，身份或外貌。
eg：What would you like to eat today? 你今天想吃什么？
What is your mother ? 你妈妈是干什么的？
3. which“哪一个”，用来询问人或物，一般有特定的选择范围。如：
eg: Which is your sister of the two girls? 那两个姑娘中哪个是你姐姐？
(二)疑问副词
常用的疑问副词有：where, when, why, how以及how引伸的一些疑问词组，如：how much (many), how long,
how old, how far, how often, how soon等。他们在句中通常作状语，可表时间，方式，原因等。
1, where “在哪里”，问地点
2, when “什么时候”，问世间
3, why “为什么”，问原因，常用because 回答。
4, how “怎么样”，问程度或方式。
二、不定冠词
1. 不定冠词是a/an，一般放在单数名词之前。
a 用于以辅音（不是辅音字母）开头的单词前，
an用于以元音（不是元音字母）开头的单词前。
eg： a boy a European country an island an hour
2, 不定冠词的用法
(1) 用在可数名词的单数形式前面
*表示一类事物或人中的任何一个。如：
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There is an island over there. 那儿有一座岛
*表示一类事物或人，a/an 在此处不用翻译。如：
A tiger is a wild animal. 老虎是一种野生动物。
注意：容易弄错的单词总结
an hour一个小时 an honest boy一个诚实的男孩 a university一座大学
a uniform一件制服 an unusual watch一块不寻常的手表 a useful book一本有用的书
a umbrella一把雨伞 an uncle一位叔叔
课堂练习
一、填入适当的疑问词
1. A: _______ is the boy in blue? B: He’s Mike.
2. A: ___________ wallet is it? B: It’s mine.
3. A: __________ is the diary? B: It’s under the chair.
4. A: ___________ is the Christmas Day? B: It’s on the 25th of December.
5. A: ____________ are the earphones? B: They are 25 yuan.
6. A: __________ is the hairdryer? B: It’s blue.
7. A:_________ is it today? B: It’s Sunday.
8. A: ____________ was it yesterday? B: It was the 13th of October.
9. A:____________is this red one? B: It’s beautiful.
10. A: _________ is it from here? B: It’s about two kilometers away.
二、用a或an填空
1. honest boy 2. ugly man 3. useful tool 4. one-act play
5. uncle 6. uniform 7. university 8. hour
9. umbrella 10. interesting story 11. “x” 12. “s”
13. “h” 14. “u” 15. “m” 16. “n”
三、根据汉语提示，将句子所缺部分写完整，每空一词。
1. is your teacher? I don’t know. (多高)
2. is the picture on the wall? It’s red. （什么颜色）
3. do you get up every day? At 6:30. （几点）
4. books do you have? Fifteen.（多少）
5. are you in? I’m in Class 3, Grade 8. （几班）
6. dose she take a shower? Twice a week. （多久一次）
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7. will you stay here? For seven days. （多长时间）
8. is the T-shirt? It’s 50 yuan. （多少钱）
四. 句型转换。
1. Tom studies hard.(改为否定句)
____________________________________________
2. Miss Li teaches us English. (改为一般疑问句)
____________________________________________
3. We like playing the piano.(改为否定句)
4. It’s Sunday today.(就画线部分提问)
______________________________________
5. Tim’s uncle lives in Shenzhen .(就划线部分提问)
五、根据句意，请从方框中选出合适的特殊疑问词来完成句子。
What; how; when; where ; whose; which; why
1. I have two apples, __________one do you like better?
2. —__________ do you go to school every day ? —On foot .
3. —___________did you go last night ? —I went to the cinema.
4. —___________do you get up so early? — Because I want to do morning exercise.
5. —__________can I do for you ? —I would like a pencil.
6. —__________shirt is this ? —Maybe it’s Lily's.
7. —__________did you go to bed last night ? —At about 11:00.
8. —__________ do you want to buy for your mother? — A sweater.
六、选择填空。
( ) 1. She has _______ orange skirt． _______ skirt is nice．
A．a；The B．an；The C．an；A
( ) 2. There is _______ old bike． _______ old bike is Mr. Zhao's．
A．an ；The B．the；An C．a；The
( ) 3. _______ apple a day keeps the doctors away．
A．The B．A C．An
( ) 4. This is _____ empty glass. Would you please give me _____ full one?
A．a, an B. an, a C. the, a
( ) 5. At that time Tom was _______ one-year-old baby．
A．a B．an C．the
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