逍遥学能 2015-03-03 16:32
【语法——句子种类（2）】，学习英语的话英语可是很重要的哦，大家赶紧；来5068频道看看浅陌带给大家的语法总结吧。
本讲主要讲一下感叹句,祈使句,再顺便提一下强调句.
感叹句注意事项：
感叹句往往由what和how引导。至于what和how的区别则是再好辨别不过了。跟我背一背下面的顺口溜,感叹句你就不再陌生了.
感叹句用法很简单, How和What放句前, How与形、副词类连, What后面名词添.主语谓语不用变,省掉它们也常见. 当然，what 感叹句和how 感叹句有时可以互相转换。当What修饰单数可数名词时，如果这一名词有形容词修饰，也可用how引导感叹句，但不定冠词a或an 需放在形容词之后。如：What a large factory = How large a factory it is!
祈使句: 祈使句所需注意的是：含有第二人称的祈使句的否定句用don't.含有第一、第三人称的祈使句的否定句用 Let+not+动词原形或 Don't let+第三人称代词的宾格或名词。
下面稍微提一下常考的强调句：我们学过的强调句是it引导的句子。记住：强调句的连词只有两个，that和who。当强调的部分是人，且为句子的主语时，才用 "who"，其余用"that". 句式是：It is (was) 被强调部分+that(who) + 句子其他部分。此结构强调的成分仅限于主语，宾语和状语。判断一个句子是否是强调句，只需看去掉It be… that是否还是一个完整的句子。
看下面例题：
It is twenty years ___ Miss Feng returned to China. A. that B. when C. since D. as
答案C.本题易误选为A(that). 其实本句不是强调句。若是，去掉It be… that还应是一个完整的句子。而本句去掉 "It is...that"，只剩下ten years Miss Feng returned to China.不成句。因此本句不是强调句。
句子的种类你掌握的如何?何不试试趁热打铁?
练习：
1. It was yesterday _______ Xiao Ming finished all his homework.
A. that
B. when
C. where
D. at
2. You are not in Grade Two, ________you?
A. aren't
B. are
C. do
D. don't
3. She has never read the book before, _______?
A. has she
B. hasn't she
C. is she
D. isn't she
4. --I want to shopping this afternoon. What about you?
___________.
A. So did I
B. So I did
C. So I do
D. So do I
5. It's time for supper now. Let's ______ it.
A. stop to have it
B. stop having
C. to stop to have
D. stopping to have
6. _______ lovely she smiles !
A. How
B. How a
C. What
D. What a
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