同方专转本英语核心语法讲解

1、同方专转本英语核心语法讲解一、助动词 be 的用法1）be +现在分词，构成进行时态。例如： They are having a meeting.他们正在开会。English ising more and more important. 英语现在越来越重要。2）be + 过去分词，构成被动语态。例如：The window was broken by Tom.窗户是汤姆打碎的。English is taught throughout the world.世界各地都教英语。3）be + 动词不定式，可表示下列内容：表示最近、未来的计划或安排。例如：He is to go to New York n

2、ext week.他下周要去纽约。We are to teach the freshmen.我们要教新生。说明： 这种用法也可以说成是一种将来时态表达法。表示命令。例如：You are to explain this.对此你要做出解释。He is to come to the office this afternoon.要他今天下午来办公室。征求意见。例如：How am I to answer him?我该怎样答复他？Who is to go there?谁该去那儿呢？表示相约、商定。例如：We are to meet at the school gate at seven tomorrow

3、morning.我们明天早晨7 点在校门口集合。二、助动词 have 的用法1）have +过去分词，构成完成时态。例如： He has left for London.他已去了伦敦。By the end of last month, they had finished half of their work.工作的一半。2）have + been +现在分词，构成完成进行时。例如：I have been studying English for ten years. 我一直在学英语，已达十年之久。3）have +been +过去分词，构成完成式被动语态。例如：English has been

4、taught in China for many years. 中国教英语已经多年。三、非谓语动词在句子中充当除谓语以外的句子成分的动词形式叫做非谓语动词。非谓语动词分为三种形式:不定式，动名词，和分词（分词包括现在分词和过去分词）。1）不定式一般式：to do、to be done完成式：to have done、to have been done 2）动名词一般式：doing、being done完成式：having done、having been done 3）分词一般式：doing、being done完成式：having done、having been done四、动名词作主语、

5、宾语和表语上月未为止，他们已经完成1）作主语。例如：Fighting broke out bet 2）作宾语n the Sound the North. 南方与北方开战了。a. 有些动词可以用动名词作宾语。例如：admit 承认、Appre误、deny 否认、te 感激、avoid 避免、complete 完成、Consider 认为、delay耽detest 讨厌、endure 忍受、enjoy 喜欢、esc象、mind 介意逃脱、fancy 想象、finish 完成、imagine想miss 想念、抗tpone 推迟、Practice 训练、recall 回忆、resent 讨厌、resu

6、me 继续、resist抵risk、suggest 建议、face 面对、include 包括、stand 忍受、Understand 理解、Five宽恕、keep 继续例如：Would you mind turning down your radio a little, please? 你把收音机音量调小一点，好吗？The squirrel was lucky住的厄运。五、worth 的用法t it just missed being caught. 这松鼠幸运得很，刚逃避了被逮worth, worthy, worthwhile 都是形容词，意为值得。1. worth： be worth +

7、 n.当名词为金钱时，表示 值得常见的有 Its worth while to do./ It s worth（someones）whilengbe worthng sth.某事值得被做The question is not worth discussing again and again. 这问题不值得反复2. worthy：be worthy of +n.当名词为抽象名词时表示值得 be worthy to be done 某事值得被做The question is not worthy to be discussed again and again.。3. worthwhile： be

8、worthwhile to do sth值得做某事It is worthwhile to ask him to jo典型例题he club.值得邀请他加入。It is not to discuss the question again and again.A. worthB. worthyC. worthwhileD. worth whileC. 由 worth 的用法可知，此句只适合词组 be worthwhile to do sth.。选 C。六、动词不定式动词不定式由 to+动词形容词或副词的某些语。这里的 to 是不定式标志，没有词义。不定式具有名词、能，又有动词的时态和语态的特点及作用。常见的形式如表所示（以及物动词 do 为例），不及物动词没有一般式：to do、to be done语态。进行式：to beng完成式：to have done、to have been done完成进行式：to have beenng注意： 有些动词或动词词组可以用动词+疑问词