胡杰 張行紅
同學們:not-no-never-neither-none......這些"不",還有下列句子中的"不"有什么區別呢?Im not upset.I dont like rainy days.I 've never been to Antarctica.It's impossible to please everyone.有點眼花繚亂吧!那咱們一起從6個方面(一到六)來搞定它!
一、not用法五種
(1)句中只有be動詞作謂語:在be(am/are/is/was/were)后加not即構成否定句。①I'm not hungry.You are not,either,right?②It is not a violin;③I was not in London at the time;④My parents weren't there,either.
(2)句中有be/will/have/had……主要謂語動詞在(be/can/will/have……后面加not構成否定句。①1They are not playing chess;②She is not watching TV;③I was not reading when they were watching the football match then;④He is not going to come to the party;⑤They will not help their parents clean up;⑥I have not heard from John for a long time;⑦She has not read todays newspaper;⑧She hadn't been to New York before her parents moved there.
(3)句子含情態動詞can,could,may,might,must,should等+主要謂語動詞:在情態動詞后加 not 構成否定句。①She could not help laughing;②The old man cann't read and write.③You shouldn't have given up.你本不該放棄的(實際放棄了)。④You needn't do your homework today.今天你不必做作業。(must的否定,用need not 或don't have to)。⑤The kids mustn't swim without grown-ups nearby.(mustn't是“禁止,不允許”。
(4)句中謂語動詞前沒有be/can/will/have……在謂語動詞前加助動詞do/does/did not即構成否定句(謂語動詞用原形)。①I dont have any foreign friends;②My mother doesnt speak English;③It didn't rain last night;④Mary didnt clean the room this morning.;⑤Do not swicth off (祈使句的否定)。
(5)not否定不定式to do,固定搭配等。①I told him not to forget it;②She goes to school not by bus, but by bike;③Not a student was late this morning;④He felt sorry for not coming to the meeting on time。
二no+名詞或動名詞
①We have no children of our own;②Ive got no news from him;③no后接名詞時也可換成not any/not a如:I have no [not any] friends here.④No smoking!
三、否定副詞never/seldom/hardly …
①I have never been there;②That will never do.那決不行。③The children are seldom ill.It seldom snows here;④He hardly ever eats meat.Jim is hardly ever late.
四、不定代詞nobody,no one,nothing等表否定
①No one [Nobody] wants to go there;②She said nothing;③None of the pupils knew the answer;④None of this milk can be used;⑤I like neither of the books.⑥Neither of us enjoy getting up early;⑦用little, few表否定(little+不可數名詞,few+可數名詞,均表示“幾乎沒"There is little time left;Few people like snakes.
五、運用某些結構表達否定意義
①too…to(太……不能)It is too late to do anything now;Im too tired to go any farther;②more A than B(與其 B不如 A)He is more brave than wise.他有勇無謀。③比較級+than+不定式(不至于做)He was wiser than to have done such a thing.他不至于愚蠢得竟然做出這樣的事情。④連詞before,unless等引出的狀語從句表達否定意義Unless you put on your overcoat,you'll catch a cold.⑤用虛擬語氣表達否定意義If only you had worked with greater care.你要是工作更仔細一些就好了。(你不仔細)。⑥prefer…rather than……I prefer to stay inside rather than go out in such a cold day.02757063-5DE6-40F0-A09E-535A2B7CF61B
六、可以用含否定意義的前綴a-,ab-,an-,de-,dis-,il-,im-,in-,ir-,non-,un-,under-等構成的詞表達否定之意;也可以用后綴-less,-free,-proof等構成的詞表達否定之意。①He absented himself from a meeting.②動詞短語:differ from(與……不同),keep?off(不讓……接近),keep… from/prevent… from/stop…from/protect… from(使……不),lose sight of(看不見),Why do you prevent them from moving into the new house?③名詞:absence(不在), failure(沒有,不及格),lshortage(缺乏)例如:Shortage of manpower is the chief cause of the delay at the factory.人力不足是該工廠生產停滯的主要原因。④形容詞及形容詞短語:reluctant(不愿),absent from(沒到場),ignorant of(不知,不懂),different from(與……不同),short of(缺少,不足),far from(遠非,決不),free from(不受……影響的,沒有……的)例如:We should be free from arrogance and rashness.我們應該不驕不躁。⑤介詞:against(反對),beyond(超出,無法……),off(離開),but/except(除……之外)等。例如:The young men of the present day are beyond my comprehension.⑥介詞短語:at a loss(不知所措,不知……),invain(徒勞,無用),out of the question(不可能),off one's guard(毫無防備,沒有警惕),out of the swim(不合時髦,不合潮流),at one's wits'end(不知所措),at the end of one's rope/at the end of one's row(山窮水盡)等。例如:I have so much work to do that a holiday for me this year is out of the question.⑦其他詞組及固定搭配:anything but/by no means/in no case/on no account/under no circumstances(決不),instead of(而不),rather than(而不是),other than(不同于,除……以外),aside from(除了……以外),least of all(最不),the last(極不可能的,最不適合的),let alone/to say nothing/…still less,…(更不用說)等。例如:The bridge is anything but safe.那橋決對不安全。
The truth is quite other than what you think.事實真相同你想的完全不同。He can't run a hundred yards,still less a mile.他一百碼都跑不了,更不用說一英里了。02757063-5DE6-40F0-A09E-535A2B7CF61B