文档介绍：一、重要短语归纳
on vacation去度假                                  at home待在家里       
to the mountains去爬山      似乎…”.  It seems that no one believe you。 
4）seem like …。“好似,似乎…..”    It seems like a good idea. 
3。 decide:  
1)decide to do       They decide to visit the museum。
2）decide + 疑问词 + 动词不定式  He can not decide when to leave.
4. start和begin
共同点：start doing sth = start to do sth。 开场，可和begin 互换 。He started doing his homework. 
不同点：但以下几种情况不能用begin：
1）创办,创办： He started a new bookshop last month.
2)机器开动： I can’t start my car.
3)出发，动身： I will start tomorrow morning。
5。 over：(prep.） 
1）“多于，超过，在…以上（表示数目、程度）”= more than
如：My father is over 40 years old。
2）“在…之上，和物体垂直且不接触"，和 under 相反。 
如:There is a map over the blackboard。
3）“超过”： I hear the news over the radio。 
4）“普及”: I want to travel all over the world。
6. too many,too much，much too  
1）too many “太多”，后接可数名词复数。 
如：Mother bought too many eggs yesterday。
2）too much  “太多”，修饰不可数名词或修饰动词作状语。
 
如:We have too much work to do。        
    Don’t talk too much。
3)much too  “太”，修饰形容词或副词。   
如:The hat is much too big for me.             
    You’re walking much too fast.
小结：分辨三者的口诀： too much, much too, 用法区别看后头： much 后接不可数, too 后修饰形或副.
                       too many 要记住，后面名词必复数。
7。 because：
1）because of  介词短语，“因为，由于”,后接名词、代词或动名词,不能接句子。
如:He can’t take a walk because of the rain。
2）because 连词，“因为”，引导状语从句，表示直接明确的原因或理由。
如：I don't buy the shirt because it was too expensive。
to do doing sth.
try to do sth：尽力做某事;
try doing sth。：尝试做某事。
如：I tried calling him, but no one answered。
    I’m trying to learn English well
to do sth. 和forget doing sth.
1）forget to do
如:Don't forget to close the window。别忘了关窗户。
2）forget doing
如：I forget closing the window。我忘记已经关上窗户了。
10。stop doing to do sth.
1)stop to do
如:I stopped to .
 
2）stop doing sth。停顿做某事
如：I stopped eating。我停顿吃东西。
11。something，somebod