对于初三的同学来说，现在正面临中考的重重压力，今天就为大家整理了中考必考的一些重难点知识的汇总，希望大家可以提前看一看，减轻学习上的压力。

　　一.英语语法重点与难点

　　1、 as…as…结构：你和汤姆是一样好的孩子。

　　You’re a boy as good as Tom.=You’re as good a boy as Tom.

　　2、 (1)too…to与 so…that sb. can’t…的句型转换：前者为简单句，主语只有一个，而后者为复合句，主语有两个，试比较：

　　The man was too angry to be able to speak.

　　The man was so angry that he wasn’t able to speak.

　　(2) too…to…与 not enough to句型的转换：

　　He is too young to get married.=He is not old enough to get married.

　　The book is too difficult for me to read.=

　　The book is not easy enough for me to read.

　　3、 形容词原级表示比较级含义：

　　约翰不象迈克那么苯。

　　John is not so stupid as Mike.

　　John is less stupid than Mike.

　　John is cleverer than Mike.

　　4、 用比较级表示最高级：约翰是班里最高的男生。

　　John is taller than any other boy in the class.

　　John is the tallest boy in the class.

　　5、 the more….. the more….表示“越……越……”:

　　The more books you read, the wider your knowledge is.

　　The more food you eat, the fatter you are.

　　6、 more and more….表示“越来……越……”:

　　More and more students realized the importance of a foreign language.

　　Our country is getting stronger and stronger.

　　二.中考考点—词组

　　1. after, in 这两个介词都可以表示“……(时间)以后”的意思

　　after 以过去为起点,表示过去一段时间之后,常用于过去时态的句子中?

　　如:She went after three days. 她是三天以后走的

　　in 以现在为起点,表将来一段时间以后,常用于将来时态的句子中

　　如:She will go in three days. 她三天以后要走

　　2. how long, how often, how soon

　　how long指多长时间,主要用来对一段时间(如three days, four weeks 等)提问?如:How long ago was it? 这是多久前的事了?

　　how often指每隔多久,主要用来对频率副词或状语(如once a week等)提问?如:—How often does he come here? —Once a month. 他(每隔)多久来一次?每月一次。

　　how soon指再过多久,主要用来对表示将来的一段时间(in an hour, in two weeks 等)提问?如:How soon can you come? 你多快能赶来?