can not=can’t should not=shouldn’t will not=won’t
3. 在句子中既没有be，也没有情态动词的情况下， 要借助助动词do。在do 后面加not。
注意：当主语是第三人称单数的时候，用does帮助否定。
I like apples. I do not like apples.
e.g. 1. He is not a student. 他不是一个学生 2. My mother does not go to work. 我妈妈不去上班。
2. 有情态动词（can, should, will…）的情况下， 直接在情态动词后面加not I can swim. I can not swim. You should go to school. You should not go to school. We will have a new classroom. We will not have a new classroom.
三、特殊疑问句（一般来说，句尾读降调）
以wh-和how开头的疑问词， 问什么答什么。 一般情况下特殊疑问句基本构成：特殊疑问词+一般疑问句 what, who, which, when, where, why, whose, how what time, what color… how old, how long, how many, how much, how big, how far
They play football. They do not play football.
He likes apples. do not=don’t
He does not like apples. does not=doesn’t
肯定句否定句转换习题。
1. Tom and Mike are friends. 2. I’m a students. 3. There are some books in the study. 4. Your father can ride a bike. 5. They can play football after school. 6. We come from China. 7. He likes playing basketball. 8. Have some bread, Tom. 9. Don’t eat food in the study. 10.We can’t swim. 11.They aren’t friends. 12.You aren’t my friends.
二、一般疑问句（一般读升调）
（一）什么是一般疑问句 用yes或no回答的疑问句叫作一般疑问句。
（二）一般疑问句特征 以be（am, is are）动词，情态动词（can, should, will…）以 及以助动词（do, does）开头的疑问句。注意：通常读升调
1. Is he a student? 2. Can you swim? 3. Do you like apples?
He should work hard.
Should he work hard? Yes, he should. No, he shouldn’t.
3. 句子中如果既没有be也没有情态动词的话，需要借助助动 词（do或者does）注意：a.第一人称和第二人称互换。 b.只有 当主语是第三人称单数的时候才使用does帮助提问。
（三）如何将陈述句变成一般疑问句
1. 句子中如果有be （am, is ,are）, 直接把be提前。 注意：第一人称和第二人称互换
I am a teacher.
Are you a teacher? Yes, I am. No, I’m not.
She is my mother.
Is she your mother? Yes, she is. No, she isn’t.
They are helpful.
Are they helpful? Yes, they are. No, they aren’t.
2. 句子中如果有情态动词（ can, should, will… ），直接 把情态动词提前。注意：第一人称和第二人称互换。
I can swim.
Can you swim? Yes, I can. No, I can’t.
将下列句子变成一般疑问句，并做肯定与否定回答。
1. His father is an English teacher. 2. These cats are crying. 3. They can swim. 4. I go to school on foot. 5. His father goes to work by bus. 6. Mrs. Li and John can sing English songs.. 7. Mike is wearing her new clothes. 8. The two boys under the tree are hungry. 9. I am in the study. 10.We like playing football. 11. I have some good friends. 12.He can speak English.
I like apples.
He likes apples.
Do you like apples? Does he likee does.
No, I don’t.
No, he doesn’t.
They like apples.
Do they like apples? Yes, they do, No, they don’t.
小学六年级英语句型讲解
一、陈述句 二、一般疑问句 三、特殊疑问句
一、陈述句包括肯定句及否定句
（一）肯定句：只包含“肯定”意思，即不含有否定词 “不”
e.g. 1. He is a student. 他是一个学生。 2. My mother goes to work.我妈妈去上班。
（二）否定句：表示否定的意思。