语 法
一、 肯定句变疑问句
1. 肯定句变成一般疑问句
1) 含be动词的一般疑问句:当陈述句中有am/is/are 时,可直接将它们提至主语前,但遇到第一人称时,最好将其换成第二人称。
Eg: I’m in class 2. Are you in class 2 ?
2) 含情态动词(may, can, must, should, shall, will等)的一般疑问句:直接将情态动词提前
Eg: I can do it. Can you do it ?
3) 含实义动词的一般疑问句:要在句首加do / does / did/ ,后面接动词用原形,有时陈述句中的some 还要变为any
Eg: I like English. Do you like English?
She live in Guangzhou. Does she live in Guangzhou ?
He finished his homework.
边学边练
1. I am listening to music.
______________________________________
2. Mike is a student.
_______________________________________
3. Sarah can clean the classroom.
________________________________________
4. They are in the zoo.
________________________________________
5. There are some flowers in the vase.
________________________________________
6. This is my sister.
_________________________________________
7. We are sweeping the floor.
________________________________________
2. 肯定句变特殊疑问句
1) 走进“特殊疑问词“家族
特殊疑问词 | 意思 | 用法 | |
What | 什么 | 用于询问人的职业或事物是什么 | |
Who | 谁 | 用于询问人的身份 | |
whose | 谁的 | 用于询问所属关系 | |
When | 什么时候 | 用于询问时间 | |
Where | 哪里 | 用于询问地点 | |
Why | 为什么 | 用于询问原因 | |
How | 怎样 | 用于询问健康状况以及做事的方式等 | |
【“表”外拓展】
What 可以和其他名词或介词搭配,构成疑问词组,如what time / what color / what about等;how也可以和其他形容词或副词搭配,构成疑问词组,如how many / how much / how old / how long / how often 等。如:
Eg: --what color is your car? --It’s red.
--How old is your mother? --She’s 40.
2) 边学边练
根据句意用合适的疑问词(组)填空
1.--______ students are there in your class? -- 45
2. -- _____ is your dream? -- To be a teacher.
3. --_______ do you usually go to school? --By bus.
4.--_______ do you go home every day? -- At 5 pm.
5.--_______ is the man in red? -- He is my brother.
6. That car is red. _____ _____ is that car?
7. My sister is 20 years old. ______ _____ is your sister?
8. The glasses are Jim’s. ______ glasses are these?
9. Tom collected eggs last Sunday. ______ collected eggs last Sunday?
10. There were eleven books in my bag.
______ ______ books are there in your bag?
11. We visited our teachers on Teacher’s Day. _______ did you visit your teachers?
12. It means “Do not touch”. _______ does it mean?
13. I’m fine, thank you. ______ are you?
14. We go to school by bus. ______ do you go to school?
weight可不可数15. We go to school five times a week. _______ ______ do you go to school?
16. My name is Mary.( (划提) 17. My shirt is white.(划提) 18. That is your suit. (划提) 19. This is my umbrella.(划提)
二.冠词
冠词的概念:冠词是一个虚词,它置于名词之前,限定名词的意义。冠词可分为定冠词,不定冠词和零冠词三类。
(一) 不定冠词:a/an
1.a用于辅音发音开头的词前,而不是辅音字母前面, 如:a book, a desk
2.an用于元音发音开头的词前,而不是元音字母前,如:an apple, an hour.
有些单词虽然是以辅音字母开头,但发音却是以元音开头,这些单词可以连成一句话:An hour ago, an honest man accepted an honorable task.一个小时以前,一个诚实人接受了一项光荣的任务。
注意以下冠词:
a university a European boy a useful book a uniform
an unlucky cat an hour an honest girl
3. a/an的用法:
1) a/an 用于单数可数名词前,表示“某一”“一…”或者“一个”的意思.
a book a boy a man a bird a dog an hour
an interesting book a big dog a dangerous animal
2)表示类别:这种用法是指某人或某物属于某一种类,或者指某一种类的人或物中的任何
一个或一件,或者指某一种类的人或物,但不具体说明是何人或何物。 例如:
That is a pen, not a pencil. 那是钢笔而不是铅笔。(指属于某一种类)
Give him a pear, please! 请给他一个梨。(指某一种类中的任何一个)
An elephant is bigger than a horse. 大象比马大。
That is a pen, not a pencil. 那是钢笔而不是铅笔。(指属于某一种类)
Give him a pear, please! 请给他一个梨。(指某一种类中的任何一个)
An elephant is bigger than a horse. 大象比马大。
和 one 的区别: a/an 表示类别种类,而one强调数量
a bus (表示是一辆公交车 而不是一辆小汽车 也不是火车)
one bus (强调是一辆车 而不是两辆或三辆)
There is a cat under the chair. 椅子下面有一只猫。(强调种类)
There is one cat under the chair.椅子下边有一只猫。(强调数量)
3)用来指某人或某物,但有不具体说明是谁或是什么,如:
A comrade from Shanghai is coming to give us a talk this afternoon.
一位来自上海的同志今天下午将给我们作报告。
My mother once worked in a school. 我母亲曾在一所学校工作。
4)表示基本单位,作“每一”讲。例如:
three times a day 10 yuan a kilo
six class a day thirty miles an hour等。
5)不定冠词a/an可用在一种职业,阶级或宗教的名称前。如:
What’s your father? He’s a doctor. 你父亲是什么职业?他是名医生。
Mr Black is now a Christian.布莱克先生现在是名基督教徒。
6)用在序数词前表示“再一”,“又一”,如:
You can try it a second time if you fail.如果你失败了,你可以再试一次。
7)与专有名词连用表示“某一个”,“一个叫......的人”,如:
A John is waiting for you at the gate.一个叫约翰的人在门口等你。
8)用于说明事物同一性质、特征、程度或大小,表示“相同”,相当于the same. 如:They are all of a size.他们大小都一样。
9)和形容词最高级连用,修饰名词,表示“非常”,如:
It is a most funny story.那是一个非常滑稽的故事。
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