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句型专项归类
肯定句:是指用肯定的语气来陈述的句子,如:Im a student. She is a doctor. He works in a hospital.
There are four fans in our classroom. He will eat lunch at 12:00. I watched TV yesterday evening.
2、否定句:含有否定词或表示否定意义词的句子,如:Im not a student. She is not (isnt) a doctor.
He does not (doesnt) work in a hospital. There are not (arent) four fans in our classroom.
He will not (wont) eat lunch at 12:00. I did not (didnt) watch TV yesterday evening.
☆注意☆ 小结:否定句主要是在肯定句的基础上加上了否定词 not。有动词be的句子则not加在be后面,可缩写成isnt,arent,但am not 一般都分开写。没有动词be的句子则要先在主要动词的前面加上一个助动词(do,does,did),然后在它后面加上not,你也可以把它们缩写在 一起如dont , doesnt , didnt )。这三个助动词要根据人称和时态来选择,其中does只用于一般现在时主语是第三人称单数的情况,而did只用于一般过去时,不论主语是什么人 称和数,都用did 。
3、一般疑问句:是指询问事实的句子,此类句子必须用yes,或no来回答。如:Are you a student? Yes, I am / No, Im not.
Is she a doctor? Yes, she is. / No, she isnt.
Does he work in a hospital? Yes, he does. / No, he doesnt.
Are there four fans in our classroom? Yes, there are. / No, there arent.
Are you going to buy a comic book tonight? Yes, I am. / No, No, I am not. (Yes, we are. / No, we arent.)
Will he eat lunch at 12:00? Yes, I will. / No, I will not(wont).
Are they swimming? Yes, they are. / No, they arent.
Did you watch TV yesterday evening? Yes, I did. / No, I didnt.
☆注意☆ 小结:一般疑问句是在肯定句的基础上,
①把动词be调到首位,其他照写,末尾标点符号变成问号即可。
②没有动词be的句子则要在句首加上一个助动词(do,does,did)再把紧跟在后面的动词变回原形,末尾标点符号变成问号即可。
这三个助动词也要根据人称和时态来选择,其中does只用于一般现在时主语是第三人称单数的情况,而did只用于一般过去时,不论主语是什么人称 和数,都用did 。一般疑问句有个重要的原则就是问和答要一致,即问句里的第一个单词(助动词)和简略答句里的这个词是一致的。
4、特殊疑问句:以特殊疑问词(what , where , who , which , when , whose , why , how等)开头引导的句子。此类句子应该问什么就答什么,不能用yes 、no来回答。如:
What is this? Its a computer.
What does he do? Hes a doctor.
Where are you going? Im going to Beijing.
Who played football with you yesterday afternoon? Mike.
Which season do you like best? Summer.
When do you usually get up? I usually get up at 6:30.
Whose skirt is this? Its Amys.
Why do you like spring best? Because I can plant trees.
How are you? Im fine. / Im happy.
How did you go to Xinjiang? I went to Xinjiang by train.
☆其中how又可以和其他一些形容词连用组成特殊疑问词组用来提问,如: how many(多少(数量)), how much(多少(钱)), how tall(多高), how long(多长), how big(多大), how heavy(多重)
例句:How many pencils do you have? I have three pencils.
How many girls can you see? I can see four girls.
How many desks are there in your classroom? There are 51.
☆小结:how many 用来提问可数名词的数量,主要有以上三种句式搭配,
How many + 名词复数 + do you have? 你有多少?
How many + 名词复数 + can you see? 你能看见多少?
How many + 名词复数 + are there? 有多少?
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