He must be a clever boy, _______?
He must be studying in the room,____?
He must have worked hard last night, ____?
He must have finished his work, ____?
He said he would go with Mary, _____?
If he had worked hard, he would have passed the examination, ____?
I think he is a good student, ____?
I don’t think he is a good student, ___?
You have a new book, ____?
He had to go now,____?
I have read the book , ____?
Mary has milk for breakfast everyday,____?
We used to live in the country,___?
We never used to live in the country, ___?
There is a book on the desk.
There is a book and two pens on the desk.
There ____( come ) the last bus .
There ____(go) the last spoon of ice-cream.
both… and 只连接词与词组
Not only … but also; either …or ; neither…nor 不但连接词与词组，还可连接句子
Both..and , not only…but also 必须连接对等结构
either …or ; neither…nor可连接不对等结构
I neither like novels nor (like) poems.