英語四級常考知識點
2017年6月四級考試不到兩個月的時間了，你複習好了嗎?你知道英語四級有哪些常考的知識點嗎?接下來本站小編爲你整理了英語四級常考知識點，一起來看看吧。
1) 表示動作中狀態的詞叫做動詞。
2) 根據其在句中的功能，動詞可分爲四類，分別是：實義動詞(Notional Verb)、系動詞(Link Verb)、助動詞(Auxiliary Verb)、情態動詞(Modal Verb)。
說明：有些情況下，有些動詞是兼類詞，例如：
We are having a meeting. 我們正在開會。 (having是實義動詞。)
He has gone to New York. 他已去紐約。
(has是助動詞。)
3) 動詞根據其後是否帶有賓語，可分爲兩類，分別是：及物動詞(Transitive Verb)、不及物動詞(Intransitive Verb)，縮寫形式分別爲vt. 和vi.。
說明：同一動詞有時可用作及物動詞，有時可用作不及物動詞。例如：
She can dance and sing.
她能唱歌又能跳舞。(sing在此用作不及物動詞。)
She can sing many English songs.
她能唱好多首英文歌曲。(sing用作及物動詞。)
4) 根據是否受主語的人稱和數的限制，可分兩類，分別是：限定動詞(Finite Verb)、非限定動詞(Non-finite Verb)例如：
She sings very well.
她唱得很好。(sing受主語she的限制，故用第三人稱單數形式sings。)
She wants to learn English well.
她想學好英語。(to learn不受主語she的限制，沒有詞形變化，是非限定動詞。
說明：英語中共有三種非限定動詞，分別是：動詞不定式(Infinitive)、動名詞(Gerund)、分詞(Participle)。
5) 根據動詞的組成形式，可分爲三類，分別是：單字詞(One-Word Verb)、短語動詞(Phrasal Verb)、動詞短語(Verbal Phrase)例如：
The English language contains many phrasal verbs and verbal phrases.
英語裏有許多短語動詞和動詞短語。(contains是單字動詞。)
Students should learn to look up new words in dictionaries.
學生們學會查字典。(look up是短語動詞。)
The young ought to take care of the old.
年輕人應照料老人。(take care of是動詞短語。)
6)動詞有五種形態，分別是：原形(Original Form)、第三人稱單數形式(Singular From in Third Personal)、過去式(Past Form)、過去分詞(Past Participle)、現在分詞(Present Participle)。
英語四級常考知識點：代詞作主語時的一致each, either, neither和由some, any, no, every構成的複合代詞,都作單數看待.
Each of us has something to say.
Is everybody ready?
Somebody is using the phone.
Neither of us has gone through regular training.
Has either of them told you?
some, few, both, many 等作複數
some 可後接複數,也可接單數,表示某一.
none作複數看待時較多,但也有時作單數看待,主要看說話人腦中聯繫想到的是複數還是單數概念, 但none 在代表不可數的東西時總是看作單數:
None of the books are easy enough for us
None of us seem to have thought of it.
None (= not a single one) of us has got a camera.
None (= nobody) has felt it more keenly than she did.
None of this worries me.
all 和most 可後接複數,也可接不可數名詞 (all of the…, most of the …), 動詞用單數.
由and 或 both… and 連接名詞詞組時, 後用複數; 由not only…but (also), either…or, neither…nor或 or 連接的並列主語, 謂語通常和最鄰近的主語一致
Not only the switches but also the old writing has been changed.
My sister or my brother is likely to be at home.
Either you or Mr Yang is to do the work.
Neither my wife nor I myself am able to persuade my daughter to change her mind.
如果一個句子是由there 或here引導, 而主語又不止一個, 謂語通常也和最鄰近的那個主語一致。
There was carved in the board a dragon and a phoenix.
Here is a pen, a few envelopes and some paper for you.
people, police, cattle, poultry (家禽), militia (民兵) 等通常都用作複數.
Cattle are grazing on the pasture.
The police are looking for him.
有些集體名詞有時作單數看待, 有時作複數看待, 主要根據意思來決定.
His family isn’t very large.
His family are all music lovers.
The committee meets twice a month.
The committee are divided in opinion.
The audience was enormous.
The audience were greatly moved at the words.
有些名詞單複數同形, 可根據意思決定謂語動詞的數:
This new series is beginning next month.
These new series are beginning next month.
This species is now extinct.
These species are now extinct.
表示時間, 重量, 長度, 價值等的名詞, 儘管仍是複數形式, 如果作整體看待, 動詞也可用單數形式 (當然用複數動詞也是可以的):
Three weeks was allowed for making the necessary preparations.
One hundred li was covered in a single night.
書名, 國家名用單數:
Tales from Shakespeare is a book by Charles Lamb.
學科名, 如mathematics, economics用單數.
many a 或more than one 所修飾的詞作主語時, 謂語動詞多用單數形式:
Many a person has had that kind of experience.
More than one person has involved in the case.
a number of 後接複數, the number of後接單數:
A number of books have been published on the subject.
The number of books published on the subject is simply amazing.
one of those 後用單數. 在“one of + 複數名詞 +關係分句”結構中，關係分句中謂語動詞的單複數形式在一般情況下有兩形式，一是根據先行詞采用複數形式：
Joan is one of those people who go out of their way to be helpful.
當one 之前友the only 等限定詞和修飾語時，關係分句謂語動詞根據one 而定，即採用單數形式：
He is the only one of those boys who is willing to take on another assignment.
Joan is one of those people who go out of their way to be helpful.
當one 之前友the only 等限定詞和修飾語時，關係分句謂語動詞根據one 而定，即採用單數形式：
He is the only one of those boys who is willing to take on another assignment.
英語四級常考知識點：副詞及其句法功能一、副詞的位置：
1) 在動詞之前。
2) 在be動詞、助動詞之後。
3) 多個助動詞時，副詞一般放在第一個助動詞後。
注意：
a. 大多數方式副詞位於句尾，但賓語過長，副詞可以提前，以使句子平衡。
We could see very clearly a strange light ahead of us.
b. 方式副詞well，badly糟、壞，hard等只放在句尾。
He speaks English well.
二、副詞的排列順序：
1) 時間，地點副詞，小單位的在前，大單位在後。
2) 方式副詞，短的在前，長的在後，並用and或but等連詞連接。
Please write slowly and carefully.
3) 多個不同副詞排列：程度+地點+方式+時間副詞。
注意：副詞very 可以修飾形容詞，但不能修飾動詞。
改錯：(錯) I very like English.
(對) I like English very much.
注意：副詞enough要放在形容詞的後面，形容詞enough放在名詞前後都可。
I don't know him well enough.
There is enough food for everyone to eat.
There is food enough for everyone to eat.
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