1、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、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。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。（三）肯定句变否定句1.有be的情况下,直接在be后面加not。I am a teacher.I am not a teacher.He is a st
2、udent.He is not a student.They are helpful.They are not helpful.注意：注意：Im=I am isnt=is not arent=are not.2.有情态动词（can,should,will）的情况下，直接在情态动词后面加notI 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.can not=cant s
3、hould not=shouldnt will not=wont 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.They play football.They do not play football.He likes apples.He does not like apples.do not=dont does not=doesnt肯定句否定句转换习题。1.Tom and Mike are friends.2.Im a stud
4、ents.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.Dont eat food in the study.10.We cant swim.11.They arent friends.12.You arent my friends.二、一般疑问句（一般读升调）二、一般疑问句（一般读升调
5、）（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?（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,Im not.She is my mother.Is she
6、 your mother?Yes,she is.No,she isnt.They are helpful.Are they helpful?Yes,they are.No,they arent.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 cant.He should work hard.Should he work hard?Yes,he should.No,he shouldnt.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d
7、oes）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。I like apples.Do you like apples?Yes,I do.No,I dont.He likes apples.Does he like apples?Yes,he does.No,he doesnt.They like apples.Do they like apples?Yes,they do,No,they dont.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
8、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.三、特
9、殊疑问句（一般来说，句尾读降调）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。what,who,which,when,where,why,whose,how what time,what color how old,how long,how many,how much,how big,how far 一般情况下特殊疑问句基本构成：特殊疑问词+一般疑问句1.what 对动词和名词提问，意为：什么，What time 几点What color 什么颜色 2.where对地点提问，意为：在哪里，Where are you from?3.when 对时间提问，意为：
10、什么时候，When do you come back?4.which对目标提问，意为：哪一个，哪些 Which one do you like best?5.why对原因提问，意为：为什么，Why do you like English?6.who对人提问，意为：谁，Who are you？（二）特殊疑问词的具体用法（二）特殊疑问词的具体用法7.whose对物体的所属提问，意为：谁的，Whose bike is this?8.how对方式和程度提问，意为：怎么 How do you come to school?9.how many对可数名词数量提问，意为：多少，How many books
11、do you have?10.how much 对不可数名词数量提问，意为:多How much rice do you need对物体的价格提问，意为：多少How much is this ruler?11.how old 对年龄提问，意为：多少岁How old are you?12.how long对长度提问，意为：多长 How long is your hair.（二）练习对划线部分提问1.He is my father.2.They are under the tree.3.I often watch TV after dinner.4.Lily swims in the swimming pool.5.The plane flies in the sky.6.I often do exercises in the evening.7.Mike likes playing football with Bill.8.The hospital is near the school.9.Sarah has some beautiful cards.10.The dogs are on the playground.11.The monkey sleeps at night.Thank you
