公共等级英语考试|公共等级英语PETS 语法辅导
【shitiku.jxxyjl.com--PETS复习指导】
pets 语法辅导:倒装句型一、 倒装句之全部倒装
全部倒装是只将句子中的谓语动词全部置于主语之前。此结构通常只用与一般现在时和一般过去时。常见的结构有:
1) here, there, now, then, thus等副词置于句首, 谓语动词常用be, come, go, lie, run。
there goes the bell.
then came the chairman.
here is your letter.
2) 表示运动方向的副词或地点状语置于句首,谓语表示运动的动词。
out rushed a missile from under the bomber.
ahead sat an old woman.
注意:上述全部倒装的句型结构的主语必须是名词,如果主语是人称代词则不能完全倒装。例如:here he comes. away they went.
二、倒装句之部分倒装
部分倒装是指将谓语的一部分如助动词或情态倒装至主语之前。如果句中的谓语没有助动词或情态动词,则需添加助动词do, does或did,并将其置于主语之前。
1) 句首为否定或半否定的词语,如no, not, never, seldom, little, hardly, at no time, in no way, not until… 等。
never have i seen such a performance.
nowhere will you find the answer to this question.
not until the child fell asleep did the mother leave the room.
当not until引出主从复合句,主句倒装,从句不倒装。
注意: 如否定词不在句首不倒装。
i have never seen such a performance.
the mother didn’t leave the room until the child fell asleep.
典型例题
1) why can’t i smoke here? at no time___ in the meeting-room
a. is smoking permittedb. smoking is permitted
c. smoking is it permitted d. does smoking permit
答案a. 这是一个倒装问题。当否定词语置于句首以表示强调时,其句中的主谓须用倒装结构。 这些否定词包括no, little, hardly, seldom, never, not only, not until等。本题的正常语序是 smoking is permitted in the meeting-room at no time.
2) not until the early years of the 19th century ___ what heat is.
a. man did know b. man know c. didn’t man know d. did man know
答案d. 看到not until…的句型,我们知道为一倒装句,答案在c,d 中选一个。改写为正常语序为,man did not know what heat is until the early years of the 19th. 现在将not提前,后面就不能再用否定了,否则意思就变了。
三、以否定词开头作部分倒装
如 not only…but also, hardly/scarcely…when, no sooner… than
not only did he refuse the gift, he also severely criticized the sender.
hardly had she gone out when a student came to visit her.
no sooner had she gone out than a student came to visit her.
典型例题
no sooner___ than it began to rain heavily.
a. the game began b. has the game begun
c. did the game begin d. had the game begun
答案d. 以具有否定意义的副词放在句首时,一般采用倒装句(谓语前置)。这类表示否定意义的词有never, seldom, scarcely, little, few, not, hardly, 以及not only…but (also), no sooner…than, hardly… when scarcely… when 等等。
注意:只有当not only… but also连接两个分句时,才在第一个分句用倒装结构。如果置于句首的not only… but also仅连接两个并列词语,不可用倒装结构。
not only you but also i am fond of music.
四、so, neither, nor作部分倒装
表示"也"、"也不" 的句子要部分倒装。
tom can speak french. so can jack.
if you won’t go, neither will i.
典型例题
---do you know jim quarrelled with his brother?
---i don’t know, _____.
a. nor don’t i careb. nor do i carec. i don’t care neitherd. i don’t care also
答案:b. nor为增补意思"也不关心",因此句子应倒装。a错在用 don’t 再次否定, c neither 用法不对且缺乏连词。 d缺乏连词。
注意: 当so引出的句子用以对上文内容加以证实或肯定时,不可用倒装结构。意为"的确如此"。
tom asked me to go to play football and so i did.
---it’s raining hard. ---so it is.
五、only在句首要倒装的情况
only in this way, can you learn english well.
only after being asked three times did he come to the meeting.
如果句子为主从复合句,则主句倒装,从句不倒装
only when he is seriously ill, does he ever stay in bed.
六、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, 随实义动词一起放在主语之前。
try hard as he will, he never seems able to do the work satisfactorily.
注意:
让步状语从句中,有though,although时,后面的主句不能有but,但是 though 和yet可连用。
七、 其他部分倒装
1) so… that 句型中的so 位于句首时,需倒装。
so frightened was he that he did not dare to move an inch.
2) 在某些表示祝愿的句型中:
may you all be happy.
3) 在虚拟语气条件句中从句谓语动词有were, had, should等词,可将if 省略,把 were, had, should 移到主语之前,采取部分倒装。
were i you, i would try it again.
典型例题:
1) not until the early years of the 19th century___ what heat is
a. man did know b. man knew c. didn’t man know d. did man know
答案为d. 否定词not在句首,要求用部分倒装的句子结构。
2) not until i began to work ___ how much time i had wasted.
a. didn’t i realizeb. did i realizec. i didn’t realize d. i realize
答案为b。
3) do you know tom bought a new car?
i don’t know, ___.
a. nor don’t i care b. nor do i care
c. i don’t care neither d. i don’t care also
解析:答案为b. 句中的nor引出部分倒装结构,表示"也不"。由 so, neither, nor引导的倒装句,表示前一情况的重复出现。其中, so用于肯定句, 而 neither, nor 用在否定句中。
pets 语法辅导:主谓一致
主谓一致是指:
1) 语法形式上要一致,即单复数形式与谓语要一致。
2) 意义上要一致,即主语意义上的单复数要与谓语的单复数形式一致。
3) 就近原则,即谓语动词的单复形式取决于最靠近它的词语。
一般来说,不可数名词用动词单数,可数名词复数用动词复数。
there is much water in the thermos.
但当不可数名词前有表示数量的复数名词时,谓语动词用复数形式。
ten thousand tons of coal were produced last year.
一、 并列结构作主语时谓语用复数
reading and writing are very important. 注意: 当主语由and连结时,如果它表示一个单一的概念,即指同一人或同一物时,谓语动词用单数,and 此时连接的两个词前只有一个冠词。the iron and steel industry is very important to our life.
典型例题
the league secretary and monitor ___ asked to make a speech at the meeting.
a. isb. was c. are d. were
答案b. 注: 先从时态上考虑。这是过去发生的事情应用过去时,先排除a.,c.。本题易误选d,因为the league secretary and monitor 好象是两个人,但仔细辨别, monitor 前没有the,在英语中,当一人兼数职时只在第一个职务前加定冠词。后面的职务用and 相连。这样本题主语为一个人,所以应选b。
二、主谓一致中的靠近原则
1)当there be 句型的主语是一系列事物时,谓语应与最邻近的主语保持一致。
there is a pen, a knife and several books on the desk..
there are twenty boy-students and twenty-three girl-students in the class.
2)当either… or… 与neither… nor, 连接两个主语时,谓语动词与最邻近的主语保持一致。 如果句子是由here, there引导,而主语又不止一个时,谓语通常也和最邻近的主语一致。
either you or she is to go.
here is a pen, a few envelops and some paper for you.
三、谓语动词与前面的主语一致
当主语后面跟有with, together with, like, except, but, no less than, as well as 等词引起的短语时,谓语动词与前面的主语一致。
the teacher together with some students is visiting the factory.
he as well as i wants to go boating.
四、谓语需用单数
1) 代词each和由every, some, no, any等构成的复合代词作主语,或主语中含有each, every, 谓语需用单数。
each of us has a tape-recorder.
there is something wrong with my watch.
2) 当主语是一本书或一条格言时,谓语动词常用单数。
the arabian night is a book known to lovers of english.
<<天方夜谭>>是英语爱好者熟悉的一本好书。
3) 表示金钱,时间,价格或度量衡的复合名词作主语 时,通常把这些名词看作一个整体,谓语一般用单数。(用复数也可,意思不变。)
three weeks was allowed for making the necessary preparations.
ten yuan is enough.
五、指代意义决定谓语的单复数
1) 在代词what, which, who, none, some, any, more, most, all等词的单复数由其指代的词的单复数决定。
all is right. (一切顺利。)
all are present.(所有人都到齐了。)
2) 集体名词作主语时,谓语的数要根据主语的意思来决定。如family, audience, crew, crowd, class, company, committee等词后用复数形式时,意为这个集体中的各个成员,用单数时表示该个集体。
his family isn’t very large.他家不是一个大家庭。
his family are music lovers. 他的家人都是音乐爱好者。
但集合名词people, police, cattle, poultry等在任何情况下都用复数形式。
are there any police around?
3)有些名词,如variety, number, population, proportion, majority 等有时看作单数,有时看作复数。
a number of +名词复数+复数动词。
the number of +名词复数+单数动词。
a number of books have lent out.
the majority of the students like english.
六、与后接名词或代词保持一致
1) 用half of, part of, most of, a portion of 等词引起主语时,动词通常与of后面的名词,代词保持一致。
most of his money is spent on books.
most of the students are taking an active part in sports.
2) 在一些短语,如 many a 或 more than one 所修饰的词作主语时,谓语动词多用单数形式。但由more than… of 作主语时,动词应与其后的名词或代词保持一致。
many a person has read the novel. 许多人都读过这本书。
more than 60 percent of the students are from the city.百分之六十多的学生都来自这个城市。
pets 语法辅导:独立主格
一、独立主格介绍
(一): 独立主格结构的构成:
名词(代词)+现在分词、过去分词;
名词(代词)+形容词;
名词(代词)+副词;
名词(代词)+不定式;
名词(代词) +介词短语构成。
(二) 独立主格结构的特点:
1)独立主格结构的逻辑主语与句子的主语不同,它独立存在。
2)名词或代词与后面的分词,形容词,副词,不定 式,介词等是主谓关系。
3)独立主格结构一般有逗号与主句分开。
举例:
the test finished, we began our holiday.
= when the test was finished, we began our holiday.
考试结束了,我们开始放假。
the president assassinated, the whole country was in deep sorrow.
= after the president was assassinated, the whole country was in deep sorrow.
总统被谋杀了,举国上下沉浸在悲哀之中。
weather permitting, we are going to visit you tomorrow.
如果天气允许,我们明天去看你。
this done, we went home.
工作完成后,我们才回家。
the meeting gone over, everyone tired to go home earlier.
会议结束后,每个人都想早点回家。
he came into the room, his ears red with cold.
他回到了房子里,耳朵冻坏了。
he came out of the library, a large book under his arm.
他夹着本厚书,走出了图书馆
二、with的复合结构作独立主格
表伴随时,既可用分词的独立结构,也可用with的复合结构。
with +名词(代词)+现在分词/过去分词/形容词/副词/不定式/介词短语
举例: he stood there, his hand raised.
= he stood there, with his hand raise.
典型例题
the murder was brought in, with his hands ___ behind his back。
a. being tied b. having tiedc. to be tiedd. tied
答案d. with +名词(代词)+分词+介词短语结构。当分词表示伴随状况时,其主语常常用with来引导。由于本句中名词"手"与分词"绑"是被动关系,因此用过去分词,选d.
三、注意事项:
1) 独立主格结构使用介词的问题:
当介词是in时,其前后的两个名词均不加任何成分(如物主代词或冠词),也不用复数。但 with 的复合结构不受此限制:
a robber burst into the room, knife in hand.
( hand前不能加his)。
2) 当表人体部位的词做逻辑主语时,及物动词用现在分 词,不及物动词用过去分词。
he lay there, his teeth set, his hand clenched, his eyes looking straight up.
典型例题:
weather___, we’ll go out for a walk.
a permitted b permitting c permits d for permitting
答案b. 本题中没有连词,它不是复合句,也不是并列句。 句中使用了逗号,且we 小写,可知其不是两个简单句。能够这样使用的只有独立主格或with的复合结构。据此判断,本句中使用的是独立结构, 其结构为:名词+分词。 由于permit在这里翻译为’天气允许’,表主动,应用现在分词,故选b。
如果不会判断独立结构作状语的形式,不妨将句子改为条件句,例如本句改为if weather permits, we’ll go out for a walk. 然后将if 去掉,再将谓语动词改为非谓语动词即可。
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