高中英语新人教必修三Unit4语法知识动词不定式作状语和定语精讲

高中英语新人教必修三Unit4语法知识动词不定式作状语和定语精讲,以下展示关于高中英语新人教必修三Unit4语法知识动词不定式作状语和定语精讲的相关内容节选，更多内容请多关注我们

1、高中英语必修三Unit 4动词不定式作状语和定语精讲一、动词不定式在句中作状语,主要用来修饰动词和形容词,也可用来修饰副词。在句中,不定式可作目的状语、原因状语、结果状语、条件状语等,可表示目的、原因及结果等。1.目的状语,置于句首或句末,置于句首时常表示强调。为加强语气,常与inorder或soas 组成短语。*A group of youngpeople got together to discuss this question.一群年轻人聚在一起讨论这个问题。*In order to helphim, we would do everything we can.为了帮助他,我们将尽我们所

2、能。【名师点津】不定式作目的状语(1)置于句首时只用todo / in order to do。如用于表示否定, in order 或so as不能省略,用in order not to do 或 so as not to do形式。*I walked quietlyso as not to disturb the baby.我安静地走路,以免打扰婴儿。(2)不定式作目的状语时,其动作通常迟于谓语动词的动作。*I said that toencourage him.我这么说是为了鼓励他。(3)不定式作目的状语可转换为so that / in order that 或 so.that .引导的目

3、的状语从句。*He worked veryhard to pass the exam.He worked so hardthat he could pass the exam.He worked hard sothat/in order that he could pass the exam.他非常努力以便能通过考试。2.结果状语,多见于“too.to”; “enough to.”; only to do(表示意料之外的结果的发生);so/such.as to(意为“如此以至于”)结构句中。* Im too tired todo well.我太累了做不好。*He is old enoughto

4、 go to school .他到上学的年龄了。*He rushed back,only to find the book missing.他冲了回来,却发现书不见了。* She is so proudas to look down upon others.她太骄傲了,看不起别人。3.原因状语,多见于“sb.+be+adj.+to do.”结构句中。*I was very sad tohear the news.听到这个消息我很难过。4.独立动词不定式多用作插入语,表示说话人的心理状态或对事情的看法。*Id like to stayhealthy, but to be honest, I on

5、ly eat food that tastes good.我想保持健康,但说实话,我只吃味道好的食物。【名师点津】现在分词与不定式作结果状语的区别(1)动词不定式作结果状语强调的是一种意想不到的结果。*Anxiously, shetook the dress out of the package and tried it on, only to find it didnt fit.(2)现在分词作结果状语强调的是一种顺承的,必然造成的结果。*His father passedaway, leaving him a little money.二、动词不定式用作定语1.名词前有first,last

6、, next, only等词以及最高级修饰时, 其后要用动词不定式。*She was the firstwoman to win the gold medal in the Olympic Games.她是第一个在奥运会中赢得金牌的女性。2.动词不定式作定语常放在名词或不定代词后面作后置定语,表示尚未发生的动作。*Let us give himsomething to eat.让我们给他一些吃的东西。*We have muchhomework to do tonight.今晚我们有很多作业要做。3.当名词与定语之间存在动宾关系时。*I usually have alot of meetings to attend.我通常有很多会议要参加。*She is a niceperson to work with.她是一个很好的合作伙伴。

1111.分层现象是群落研究的重要内容。下列关于森林群落分层现象的叙述,错误的是A.森林群落的分层现象提高了生物对环境资源的利用率D.B.森林中植物的垂直分层现象主要与对水的利用有关C.森林群落中动物的分层现象与食物有关D.群落中动物垂直分层现象的形成主要是由植物种类决定的

1、高中英语必修三Unit 4动词不定式作状语和定语精讲一、动词不定式在句中作状语,主要用来修饰动词和形容词,也可用来修饰副词。在句中,不定式可作目的状语、原因状语、结果状语、条件状语等,可表示目的、原因及结果等。1.目的状语,置于句首或句末,置于句首时常表示强调。为加强语气,常与inorder或soas 组成短语。*A group of youngpeople got together to discuss this question.一群年轻人聚在一起讨论这个问题。*In order to helphim, we would do everything we can.为了帮助他,我们将尽我们所

2、能。【名师点津】不定式作目的状语(1)置于句首时只用todo / in order to do。如用于表示否定, in order 或so as不能省略,用in order not to do 或 so as not to do形式。*I walked quietlyso as not to disturb the baby.我安静地走路,以免打扰婴儿。(2)不定式作目的状语时,其动作通常迟于谓语动词的动作。*I said that toencourage him.我这么说是为了鼓励他。(3)不定式作目的状语可转换为so that / in order that 或 so.that .引导的目

3、的状语从句。*He worked veryhard to pass the exam.He worked so hardthat he could pass the exam.He worked hard sothat/in order that he could pass the exam.他非常努力以便能通过考试。2.结果状语,多见于“too.to”; “enough to.”; only to do(表示意料之外的结果的发生);so/such.as to(意为“如此以至于”)结构句中。* Im too tired todo well.我太累了做不好。*He is old enoughto

4、 go to school .他到上学的年龄了。*He rushed back,only to find the book missing.他冲了回来,却发现书不见了。* She is so proudas to look down upon others.她太骄傲了,看不起别人。3.原因状语,多见于“sb.+be+adj.+to do.”结构句中。*I was very sad tohear the news.听到这个消息我很难过。4.独立动词不定式多用作插入语,表示说话人的心理状态或对事情的看法。*Id like to stayhealthy, but to be honest, I on

5、ly eat food that tastes good.我想保持健康,但说实话,我只吃味道好的食物。【名师点津】现在分词与不定式作结果状语的区别(1)动词不定式作结果状语强调的是一种意想不到的结果。*Anxiously, shetook the dress out of the package and tried it on, only to find it didnt fit.(2)现在分词作结果状语强调的是一种顺承的,必然造成的结果。*His father passedaway, leaving him a little money.二、动词不定式用作定语1.名词前有first,last

6、, next, only等词以及最高级修饰时, 其后要用动词不定式。*She was the firstwoman to win the gold medal in the Olympic Games.她是第一个在奥运会中赢得金牌的女性。2.动词不定式作定语常放在名词或不定代词后面作后置定语,表示尚未发生的动作。*Let us give himsomething to eat.让我们给他一些吃的东西。*We have muchhomework to do tonight.今晚我们有很多作业要做。3.当名词与定语之间存在动宾关系时。*I usually have alot of meetings to attend.我通常有很多会议要参加。*She is a niceperson to work with.她是一个很好的合作伙伴。