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（篇一）2020年6月大学英语六级考试基础语法知识整理
1. 现在完成时、过去完成时以及将来完成时之间的区别
1) 现在完成时：
① 构成：have / has +过去分词
② 语法意义及要点：
A. 现在完成时表示一个过去开始的状态或动作持续到现在并可能继续持续下去，常同表示一段时间的状语连用。如so far, up to now, since, for a long time等。
--He has worked as a teacher for many years.
--Up till now, nothing has gone wrong.
B. 现在完成时表示一个过去发生的对现在仍有影响的动作或事件。常与不确定的过去时间状语连用，如yet, just, before, recently等;也同表示频度时间状语连用，如often, ever, never, sometimes, several times等;还可同包括现在时间在内的时间状语连用，如now, today, this morning等。但不能同特定的过去时间状语连用(last year , in 1997等)。
--I have never learned Japanese before.
--We have been quite busy lately (recently).
C. 在时间或条件状语从句中，当表示将来完成时的意义时，要用现在完成时来代替将来完成时。
--We’ll start at 5 o’clock if it has stopped raining by then.
--I shall go to see you when I have finished my homework.
Note: 行为不能持续的瞬间动词(Instantaneous Verb), 如arrive, begin, come, go, start, leave, die, join等通常不能用于这一语法意义，即该类动词在现在完成时中不能与表示一段时间的状语连用。
--He has joined the army for five years. (误)
--He has been in the army for five years. (正)
2) 过去完成时：
① 构成：had +过去分词
② 语法意义及要点：
过去完成时表示某一动作或情况发生在过去某一时刻之前并持续到该时刻。
--David and Jenny had known each other for a long time before their marriage.
--They had got everything ready before the party began.
Note: 与现在完成时截然不同的是过去完成时可以与表示具体过去的时间状语连用。
--He said that he had seen her the day before yesterday.
3) 将来完成时：
① 构成：shall / will + have +过去分词
② 语法意义及要点：
将来完成时表示某一动作在将来某一时刻或将来某一动作之前已经完成或发生。
--He will have graduated from high school before his next birthday.
--The shop will have closed already before you get there.
2. 哪些动词不能用于进行时
1) 表示状态的动词，如be, seem, appear, become, get等。
He is being a used-car dealer.(误)
He is a used-car dealer.(正)
She is seeming always about to smile.(误)
She seems always about to smile.(正)
2) 表示感官感觉的动词，如see(看见), hear(听见),feel(感觉出), taste(尝出),smell(闻到)等。
The medicine is tasting bitter. (误)
The medicine tastes bitter. (正)
I was seeing a car passing by our house. (误)
I saw a car passing by our house. (正)
3) 表示拥有的动词，如have, own, possess, belong, contain, hold等。
He is owning a luxurious car. (误)
He owns a luxurious car. (正)
The book is belonging to her. (误)
The book belongs to her.(正)
4) 表示思想状况、态度的动词，如believe, think, know, understand, agree, approve, consider, expect, forget, guess, hesitate, hope, imagine, mean, realize, remember, suppose, trust, want, wish等。
I’m thinking that he is right. (误)
I think that he is right. (正)
I’m understanding your feelings. (误)
I understand your feelings. (正)
5) 表示情感、愿望的动词，如admire, appreciate, care, enjoy, like, love, hate, detest, regret等。
He is loving his daughter very much. (误)
He loves his daughter very much. (正)
I’m regretting to say we cannot come. (误)
I regret to say we cannot come. (正)
3. 时态的呼应
时态的呼应又称时态一致(Sequence of Tenses)，指的是某些从句里的动词谓语时态必须和主句里的时态保持一致。
如果主句里的谓语动词是过去时态(过去时或过去完成时)，那么从句的谓语动词时态也相应地要用过去时。时态的呼应主要发生在间接引语和宾语从句中，但其他从句有时也存在时态一致的问题。
--He explained that he had learned Chinese for many years.(现在完成时变为过去完成时)
--He said he had been collecting materials on that subject for a long time.(过去进行时变为过去完成进行时)
--He told me that they would have completed that project by the end of the year.(将来完成时变为过去将来完成时)
虽然主句用了过去时等，如果从句表示的是科学真理、客观事实或某人(物)的经常性特点时，其时态可以不必遵守时态呼应的规则而仍用一般现在时。
--Galileo proved that the earth revolves round the sun.
--The teacher told the students that knowledge is power.
如果从句中有一个表示绝对过去时间的状语，就不必把一般过去时变为过去完成时。
--He said that he joined the Red Army in 1933.
（篇二）2020年6月大学英语六级考试基础语法知识整理
1.指人的关系代词：who, whom, whose, that 的用法：
(1)作主语(who, that )
Those who are going to play in the match are to meet at the gate at 1:30 after lunch. 那些参加比赛的人午饭后1：30在大门口集合。
在本句中，先行词是those;关系代词who引导定语从句，同时代替先行词在从句中担任动词are going to play 的主语。
The man who/that is talking with Mr. Wang is a famous doctor. 正在和王先生说话的那个人是一个有名的医生。
在本句中，先行词是the man;关系代词who/that引导定语从句，同时代替先行词在从句中担任动词is talking的主语。
这个复合句可以还原成两个句子：The man is a famous doctor. He is talking with Mr. Wang.
(2)作宾语包括作介词宾语(whom, that )。此种情况下的关系代词可以省略;
This is just the man(whom/that) I want for the job.这正是我要的做这份工作的人。
在本句中，先行词是the man;关系代词whom/that 引导定语从句，同时代替先行词在从句中担任动词want 的宾语。
(3)当关系代词紧跟介词作介词宾语时，不能用that，也不能省略，
如：The book from which I got a lot of useful information was written by a famous scientist.
我从中得到许多有用信息的那本书是一位科学家写的。
但是当介词放在从句末尾时，作为介词宾语的关系代词可以用that 并且可以省略。
如上头两句可改为：
The book (that /which) I got a lot of information from was written by a famous scientist.
2.指物的关系代词which和that的用法：
(1)作主语
This is the instruction manual which/that tells you how to operate the computer. 这是那本教你如何操作计算机的说明手册。
(2)作宾语包括作介词宾馆。此种情况下的关系代词可以省略：
The chair (which /that) you broke yesterday is now being repaired. 你昨天弄坏的那把椅子现在正在修理。
The accounts of the company, (which/that) I’ve been paying great attention to, are in balance.
我一直非常注意的公司账目，是保持平衡的。
3.whose 和of which 指代人或事物，作定语。of which 可用whose 代替; The car whose lights (of which the lights/the lights of which) were all broken was my father’s.
那辆所有的灯都破了的汽车是我父亲的。
That is the book whose cover (of which the cover/the cover of which ) was broken. 这就是那本封皮破了的书。
4.关系代词的格应与它在从句中充当的成分一致。特别要注意插入语，
如：Peter is the one who everybody believes will fail to bring off the contract. Peter 是那个人人都认为不能完成合同的人。(everybody believes 是插入语) At the election I voted for the man whom I believed to be the most suitable. 在选举的时候我投了我认为最合适的那个人的票。
5.关系代词作从句的主语时，从句的动词必须和先行词的人称和数一致： 例：These are the operating instructions that/which are written in English 。 这就是用英文写成的使用说明。
6.非限定性定语从句不用that，只用who(whose, whom)和which代表人和物; 例：Her brothers, both of whom work in America, ring her up every week。 她的兄弟们两个人都在美国工作每个星期都给她打电话。
7.关系副词(=介词+关系代词)： 关系副词 先行词 在从句中的作用 说明 when(=at / on / in /during which),非正式文体中，有时用that代替关系副词
where(=in / at which) 地点名词 地点状语
why=(for which) 只有reason 原因状语
例：I shall never forget the day when (=on which) we first met. 我永远也不会忘记我们第一次见面的那一天。
（篇三）2020年6月大学英语六级考试基础语法知识整理
1. 某些动词后要接不定式
某些及物动词后只能接不定式作宾语，其中最常用的动词有agree, afford, arrange, appear, ask, attempt, care, choose, continue, decide, demand, desire, determine, expect, fail, fear, forget, hate, hesitate, hope, intend, learn, like, love, manage, mean, neglect, offer, plan, prefer, prepare, pretend, promise, refuse, regret, remember, seek, tend, try, volunteer, want, wish等。
What do you plan to do tomorrow?
She hated to move from such a nice village.
In class teachers should try to get feedback from their students
2. 不定式的被动式
不定式有被动式，当不定式的逻辑主语是这个不定式所表示的动作的承受者，不定式要用被动式，在句中可作主语，宾语，定语，状语，复合宾语等。作定语时，通常表示在谓语动作后将要发生的动作。
The last question to be discussed today is how to do the job more efficiently.
She preferred to be given more difficult work to do.
3. 不定式的完成式
当不定式的动作发生在谓语动词的动作之前，不定式要用完成式，在句中可作宾语，状语以及构成复合宾语，复合谓语。
She seemed to have heard about the news already.
He was believed to have been a very rich man.
4. 不定式的完成被动式
当不定式的逻辑主语是这个不定式所表示的动作的承受者，且不定式的动作发生在谓语动词的动作之前，不定式要用完成被动式，在句中可作主语，宾语或构成复合宾语，复合谓语。
The forest fire is reported to have been put out last night.
It is supposed to have been finished without referring to any reference books.
5. 带逻辑主语的不定式短语
不定式可以有逻辑主语，其构成形式为“for +代词的宾格(或名词) +不定式”。 带逻辑主语的不定式短语可在句子中作主语、宾语、表语或状语等。
It is not easy for you to catch up with them in a short time.
I think it better for you to see the doctor.
What we want is for you to understand the matter clearly.
I sent him some pictures for him to see what Paris is like.
6. 带疑问词的不定式短语
不定式前可以加某些疑问代词，如who、what、which,或疑问副词，如when、where、how、why等，构成一种特殊的不定式短语，可在句子中作主语、宾语、表语或状语等。
How to improve English is often discussed among the students.
We haven’t decided when to visit the place.
The most difficult thing in learning English is how to speak the language well.
You haven’t answered my question where to get these books.
7. 某些动词后的不定式作宾语补足语时，不定式不带to，这些动词是feel, have, hear, let, make, notice, see, watch等。
Suddenly I felt the atmosphere in the room become tense.
I often hear them sing this song.