新四级 新题型要求更高 大学英语四级考试在圣诞节的前一天落下了帷幕，针对这次考试，新浪网作了一项网上调查，结果显示，考生中大约有75.34%的同学认为太难了...

19.1 地点状语从句 地点状语从句通常由where, wherever 引导。 Where I live there are plenty of trees. 我住的地方树很多。 Wherever I am I will be thinking of you. 不管我在哪里我都会想到你。 ...

11.22 一般现在时代替将来时 时间状语从句，条件句中，从句用一般现在时代替将来时When, while, before, after, till, once, as soon as, so long as, by the time, if, in case (that), unless, even if, whether, the moment, the minute, the day,…...

3.13 none, few, some, any, one, ones 一、 none 无 1) none作主语，多与of 构成短语 none of。 在答语中，none可单独使用。 Are there any pictures on the wall? None. 2) none作主语，谓语动词单复数均可。但如做表语，则其单复数与表…...

19.8 比较while, when, as 1）as, when 引导短暂性动作的动词。 Just as / Just when / When I stopped my car, a man came up to me. 2）当从句的动作发生于主句动作之前，只能用when 引导这个从句，不可用as 或 while。 When you have finish…...

19.3 原因状语从句 比较：because, since, as和for 1） because语势最强，用来说明人所不知的原因，回答why提出的问题。当原因是显而易见的或已为人们所知，就用as或 since。 I didn't go, because I was afraid. Since /As the weather is so bad…...

14.6 as, though 引导的倒装句 as / though引导的让步从句必须将表语或状语提前 （形容词, 副词, 分词, 实义动词提前）。注意： 1) 句首名词不能带任何冠词。 2) 句首是实义动词, 其他助动词放在主语后。如果实义动词有宾语和状语, 随实义动词…...

7.7 不定式作状语 1）目的状语 To… only to (仅仅为了), in order to, so as to, so(such)… as to… (如此……以便……) He ran so fast as to catch the first bus. 他飞快地跑以便赶上第一班车。 I come here only to say good-bye to you. 我来…...

19.10 表示"一…就…"的结构 hardly/scarcely…when/before, no sooner…than 和as soon as都可以表示"一…就…"的意思，例： I had hardly / scarcely got home when it began to rain. I had no sooner got home than it began to rain. As soon as…...

19.5 结果状语从句 结果状语从句常由so… that 或 such…that引导，掌握这两个句型，首先要了解so 和 such与其后的词的搭配规律。比较：so和 such 其规律由so与such的不同词性决定。such 是形容词，修饰名词或名词词组，so 是副词，只能修饰形容词或副…...