识别
1. 是,不是:
i am a student.
说明:对人、物现在情况的识别。am等be动词随主语而变。其否定式在be动词后加not。
2. 是吗?
Are you a student?
Yes,I am.no,I am not.
说明:包含系动词be的句子,可把be移到主语前构成一般疑问句,表示是吗?
一般疑问句用升调。
3. 是A还是B?
Are you a student or a teacher?
说明:or是等立连词,把两个表语连接起来构成选择问句。
4. 对吗?对吧?
He is a student,isnt he?
He is not a teacher,is he?
说明:反问的部分语调不同,含义不同:升调表示疑问,要求对方回答;降调为强调,不要求回答。
回答时,根据事实。比如第二个问句,如回答Yes,he is。不,他是。
No,he isnt.对,他不是。
5. 是谁?干什么的?
Who is he?他是谁?
Whats he? 或者 What does he do?他是干什么的?
说明:由who,what,how,when,where等疑问代词和疑问副词为开始的疑问句为特殊疑问句,其结构是疑问词(组)+一般问句?特殊疑问句用降调。
6. 谁是?
Who is a student?who is that boy?
说明:第一句是对主语提问,用who代替陈述句主语,语序不变;第二句是对表语提问,要把主语放在连系动词后面,构成倒装语序。
7. 也是;也不是
Youre a student.hes a student,too.
You arent a teacher.hes not a teacher,either.
说明:too和either都表示也,由于句末。前者用于肯定句,后者用于否定句。
8. 不是,便是。
You are either a student or a teacher.
说明:eighter,or.是连词词组,表示不是,便是、或者,或者。
9. 既是,又是。
He is both a student and a teacher.
说明:连词词组both,and.,把两个表语连接起来,表示既是,又是。、又是,又是。
10. 既不是,也不是。
You are neigher a student nor a teacher.
说明:连词词组neigher,nor把两个名词表语连接起来,表示既不是,也不是。
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