人教版英语八年级下册第六单元知识点

1、精选优质文档-倾情为你奉上人教版英语八年级下册第六单元知识点连词as soon as引导的时间状语从句as soon as引导时间状语从句，意为“一就”。如果主句用一般将来时或含有情态动词，从句用一般现在时表示将来。当从句中用一般过去时的时候，主句用过去的某种时态。例如：I will tell him the good news as soon as he comes back.他一回来，我就会告诉他这个好消息。My father started to read the newspaper as soon as he sat down. 我父亲一坐下就开始看报纸。连词unless引导

2、的条件状语从句unless是常见的引导条件状语从句的从属连词，相当于“if not”，意为“如果不；除非”，时态特点为“主将从现”。例：Well go for a picnic unless it rains this Sunday.我们这周日将会去野餐，除非下雨。unless还可以和“祈使句and/or+含有一般将来时的句子”进行同义转换。例：Work hard, or you won't succeed.=Unless you work hard, you won't succeed.努力工作，否则你不会成功。连词if/unless引导的条件状语从句的用

3、法辨析常见的引导条件状语从句的从属连词有if/unless。unless相当于"if. not."，两者常常进行同义转换。"if/unless"还可以和“祈使句and/or+含有一般将来时的句子”进行同义转换。如：Work hard, or you won't succeed.=Unless you work hard, you won't succeed.=If you don't work hard, you won't succeed. 如果主句的时态为一般将来时，从句要用一般现在时代替将来时。主句还可以是

4、祈使句或谓语部分含情态动词。I'll stay at home if it rains tomorrow.  You can leave now if you like.  Don't act unless you're certain.  由sothat引导的结果状语从句so.that. “如此以致于”，引导结果状语从句，其引导四种不同的句子结构如下：1. so+形容词+that从句如：It was so cold outside that we had to stop the game.外面天气太

5、冷了，我们不得不停止比赛。2. so+形容词+a/an+单数名词+that从句如：She made so good a meal that we all ate far too much.她做的饭菜那么好吃，结果我们都吃得太多了。3. so+副词+that从句  如：He did so well in the examination that everyone praised him.他考得那么好，人人都称赞他。4. so+量词(many/much/few/little等)+可数名词复数/不可数名词+that从句如：I've had so many falls th

6、at I'm black and blue all over.我跌了那么多跤，全身跌得青一块，紫一块的。He had so little education that he was unfit for this job.他所受教育很少，不适合做这个工作。由suchthat引导的结果状语从句such.that.如此以至于，引导结果状语从句。与so.that 意思相同，但用法不同。如：so.that.这一结构中，so是副词后边可加形容词或副词。such是形容词，它可以修饰可数名词或不可数名词；名词前面可以带形容词，也可以不带。如果其后是单数可数名词，名词前面需加不定冠词a或an。

7、1. such+形容词+名词复数/不可数名词+that从句如：They are such good students that the teacher likes them.他们都是很好的学生，老师喜欢他们。It is such important information that I can't miss it.这是如此重要的信息，我不能错过它。2. such+a/an+（形容词）+单数可数名词+that从句如：It was such a fine day yesterday that we all went out for a picnic.昨天天气很好，我们都出去野餐了。soth

8、at/suchthat引导（含tooto）的结果状语状语从句的用法辨析so.that.和such.that.“如此以致于”引导结果状语从句。（1）so +形容词/副词+ that +从句，如：This story is so interesting that I want to read it again.这个故事如此有趣以致我想再读一次。He spoke so quickly that I couldn't follow him.他说得如此快以致我不能跟上他。（2）so+形容词+ a/an +单数可数名词 + that +从句，如：She is so lovely a gi

9、rl that everyone loves her.她是如此可爱的一个女孩，以致每个人都喜欢她。It's so difficult a task that I can't finish it within one day.这个任务这么难，我不能在一天之内完成。（3）such+ a/an+形容词+单数可数名词+that+从句以及such+形容词+复数可数名词/不可数名词+that+从句，如：She is such a lovely girl that everyone loves her.她是如此可爱的一个女孩，以致每个人都喜欢她。Those are such beautifu

10、l flowers that the girl wants to pick them.那些花是如此漂亮以致那个女孩想要摘下它们。注意：当名词前有many, much, few, little (少)这4个词修饰时，只能用so。如：There are so many people there at weekends that I wouldn't like to go there.周末那儿的人很多，我不想去那儿。He has so little time to play with his child that he feels a little sorry. 他和他的

11、孩子一起玩的时间很少，所以他感到有点愧疚。Remind/remember课文原句：This story reminds us that you can never know what's possible unless you try to make it happen. 讲解：remind v.“提醒，使想起”。1. remind sb. that从句例：Mom reminds me that I have to go home early today. 妈妈提醒我今天必须早点回家。2. remind sb. to do “

12、提醒某人去做某事”，其中的不定式所表示的动作尚未发生。例：Mom reminds me to go home early today. 妈妈提醒我今天早点回家。3. remind sb. of sth./sb. “使某人想起某事（某物）/某人”，remind sb. of (doing) sth. “使某人想起已经做过某事”，其中doing表示的动作已经完成。例：You remind me of my father. 你使我想起了我的父亲。He reminded me of telling her. 他使我想起我曾告诉过她。扩展：remembe

13、r 记得remember to do sth. 记得去做某事例：I remember to call him tomorrow. 我记得明天要打电话给他。remember doing sth. 记得已经做过某事例：I remember calling him yesterday. 我记得昨天我给他打过电话了。Lead/lead to课文原句：It's leading us to that wonderful house made of bread, cake and candy.语法讲解：lead作及物动词，其过去分

14、词和过去式为led，意为“带路；领路；引领”。常用短语：1. lead sb. to someplace意为“（道路等）引导某人到某地；带领某人去某地”；例如：A nurse took her arm and led her to a chair. 有位护士搀扶她坐到椅子上。2. lead sb. to do sth. 意为“带领某人做某事，致使/诱惑某人做某事”。例如：He led me to believe that he had a lot of influence. 他让我相信他很有影响力。3. lead to“（道路等）通往；引起（结果等）；导致”      例如：This suggestion will certainly lead to an argument. 这个建议必将引起一场争论。  Turn的短语原音回放：This is because he can make 72 changes to his shape and size, turning himself into different anim