一、定义：即附加疑问句。表示提问人的看法,没有把握,需要对方证实。

二、结构： 陈述句 + 附加疑问句？ It's hot today ,isn't it ?

三、原则： 1.前肯后否，前否后肯

　　　　　 2.前名后代

3.时态一致

They work hard, don't they?

四、做题方法

（一）找动词

（1）如果句中有助动词、情态动词、be动词，反意疑问句中也相应的用助动词、情态动词、be动词。

He is a student ,_____________?

(2) 如果句中没有助动词、情态动词、be动词，只有实义动词时，就要借助助动词。

She often get up at 6:30 every morning,___________?

(二) 判断句子是肯定还是否定，"前肯后否，前否后肯"

The students have planted many trees,_________?

(三) 反意疑问句的主语必须转换成人称代词主格。

The boy can't swim,___________?

【2013温州1】 -It's Father's Day, ?

-Yes. Let's buy a gift for Dad.

A. isn't it B. doesn't it C. isn't he D. doesn't he

【2013永州1】Your school is very beautiful, __________?

A.isn't it B.is it C.is your school

【2013益阳3】-Jim had nothing for breakfast this morning, _______?

-______. He got up too late.

A. had she; Yes B. hadn't he; Yes C. did he; No

6. I learned about the inventions that led to color movies, too.

我还了解了一些发明，它们成就了彩色电影。

【解析1】invent v 发明→inventor n 发明家→ invention n 发明

【记】Edison , a great _____________, __________over 1'000__________ all his

life.(invent)

①. I think the light bulb is one of the most important__________(invent)

②.The car ___________(invent) in 1885.

invent 发明 指事物从无到有（客观上没有） discover 发现 强调事物本身存在，只不过从"未知"到"已知"（客观上以前存在） Gibert ____________electricity, but Edison ___________ the electric light bulb.

吉尔贝特发现了电，而爱迪生发明了电灯泡。

( ) ①Bell ________the telephone in 1876.

( ) ② Columbus ____America in 1492.

A. invent B. discover C. invented D. discovered

【2012昭通】The light bulb is one of the most useful _____________(invent) in the world.

【2013江苏盐城】What do you think is the greatest ______ (invent) of the twentieth century?

【2012山东】After hard training for a long time, Liu Xiang ___the records again.

　　　A. broke B. achieved C. invented D. completed

【模拟1】 I think the telephone was invented in 1876.

A. created B. found C. seen D. used

【解析2】lead →led→ led v引导，引诱

→ leader n 领导人

【谚语】All roads lead to Rome. 条条大路通罗马

【拓展】 lead to sth 导致......

lead sb. to sw 引导某人去某地