一定要知道的英语语法 |
1. 形容词的位置: 代名形容词+数量形容词+性状形容词+名词 再细分如下: 1放在冠词前的形容词(all, both, such...)+2冠词、指示形容词、所有形容词、不定形容词(the, a, an, this, that, your, some, any...)+3序数(first, second...)+4基数(one, two...)+5性质、状态(kind, fine, good...)+6大小、长短、形状(large, small, big...)+7新旧、温度(old, new, hot...)+8颜色(red, blue...)+9国籍(Chinese, English, Japanese...)+10材料(iron, brick, stone...)+11名词、动名词(boy, house...) 2. some和any的用法: (1)两者修饰可数单数名词,表某一个;任何一个; 修饰可数复数名词和不可数名词,表一些;有些。 〔2)一般的用法:some用于肯定句;any用于疑问句,否定句或条件句。 I am looking for some matches. Do you have any matches? I do not have any matches. 〔3)特殊的用法: (A) 在期望对方肯定的回答时,问句也用some。 Will you lend me some money? (=Please lend me some money.) (B) any表任何或任何一个时,也可用于肯定句。 Come any day you like. (4)some和any后没有名词时,当做代名词, 此外两者也可做副词。 Some of them are my students.〔代名词) Is your mother any better?(副词) 3. many和much的用法: 〔1)many修饰复数可数名词,表许多; much修饰不可数名词,表量或程度。 He has many friends, but few true ones. There hasn't been much good weather recently. (2)many a: many a和many同义,但语气比较强,并且要与单数名词及单数形动词连用。 Many a prisoner has been set free. (=Many prisoners have been set free.) 〔3〕as many和so many均等于the same number of。 前有as, like时, 只用so many。 These are not all the books I have. These are as many more upstairs. They worked like so many ants. (4)as much等于the same amount of, 表同量和同一事情。 He bought two pounds of sugar and as much tea. 〔同量) I was not in the least surprised, for I had fully expected as much. 〔同一事情) (5)many和much之后不接名词时,作为代名词;另外much也可用副词。 Many of them were very tired. I don't eat much for lunch. 〔代名词) He is much taller than I. (副词〕 4. (a) few和(a) little的用法: (1) (a) few用在复数可数名词之前,(a) little用在不可数名词之前。 He took a few biscuits. (=several) He took few biscuits(=not many) He took a little butter. (=some) He took little butter. (=not much) (2) few可由bardly any或almost no所取代,含否定的意味。 The composition is well written; it has few (=hardly any) mistakes. Few (=Almost no) men can solve it. (3) a few相当于some, several, 含肯定的意味。 He has a few (=some or several) friends. (4) a little和little之间的差别,就和a few和few的差别一样,只是(a) little须修饰不可数名词,表量或程度。 He grows worse; there is little hope of his recovery. He is not much better, but there is a little hope. 5. 其他的数量形容词: (1) plenty of, a lot of, lots of均表许多,修饰复数可数名词或不可数名词。 The room contained plenty of (or a lot of or lots of) students.(复数名词) The room contained plenty of (or a lot of or lots of) furniture.(不可数名词) (2) a great (or a good) deal of, a large (or a small) quantity of, a large (or a small) amount of, 均表(量), 修饰不可数名词。 The room contained a great deal of furniture. (不可数名词) The room contained a good deal of furniture. (不可数名词) The room contained a large quantity of furniture. (不可数名词) The room contained a large amount of furniture. (不可数名词) The room contained a small quantity of furniture. (不可数名词) The room contained a small amount of furniture. (不可数名词) (3) a number of "许多;一些";a great (large, good) number of "许多",修饰复数可数名词,并且要与复数动词连用。 A number of books are missing from the library. The number of books from the library is large. (the number of +复数名词←→单数动词) The room contained a great (or large or good) number of students.(复数可数名词) (4) enough的用法: (A) 可接复数可数名词和不可数名词。 There are enough chairs. (可数) There is enough furniture. (不可数) (B) 可放在年修饰名词的前后。 We don't have enough time. =We don't have time enough. (5) hundreds of, dozens of, thousands of, scores of +复数可数名词 冠词或数词(one, two...) + (hundred, dozen, thousand, score) 复数可数名词 (6) the rest of "其余的", 可接复数可数名词及不可数名词,作主词时,接可数名词则用复数动词,接不可数名词则用单数动词。 The rest of the students are absent. (复数可数名词) The rest of the water was thrown away. 不可数名词) 注:the rest作代名词, 等于 the others, 和复数动词连用。
6. 不可名词量的表示语: (1) 不可数名词可加表单位的形容片语,表示数的观念。其公式为: 数词+单位词+of+不可数名词 (2) 各类表单位的形容词片语。 (A) 物质名词: a piece (suit) of armour; a piece (slice) of cake; a piece (an article) of furniture; a piece of jewelry; a piece (sheet) of paper; a cake of soap; a piece (slice) of bacon; a piece (stick) of chalk; a bit (blade) of grass; a piece (strip) of land; a bit (grain) of rice; a bowl of soup; (B) 抽象名词 a word of abuse; an item (a bit) of business; an attack of fever; a bit (an amount) of interest; a fit of passion; a piece (word) of advice; a piece of evidence; a piece (an item) of information; a piece (an item) of news; (C) 自然现象: a flash of lightening; a bolt of thunder; 7. 名词种类的表示语:kind of, sort of, type of, (1) 三者都可接可数名词及不可数名词,其后的冠词a (an)常被省略。 What kind of (a) pencil did you buy? I don't like that sort of game. (2) kind of, sort of, type of之前可加a, the, some, any, etc. I had a kind of suspicion that he was cheating. (3) 比较下列用法:(加*表非正式用法) I don't like this (*those) kind of person. I don't like many (or these) kinds of roses. I like this kind of flower. I like flowers of this kind. I like *these kind of flowers. I like this kind of roses. I like roses of this kind. (置名词后更强调种类) I like roses of these kinds.(置名词后更强调种类) 8. 数词: (1) 基数(Cardinal numerals):one, two, three... (A) 除one接单数名词外,其余均接复数名词。 He has one sister and three brothers. (B) hundred的后面须加and(但可以省略)。 12,345 = twelve thousand three hundred (and) forty five; (2) 序数(Ordinal mumerals):first, second, third... (A) 序数前面必须附以定冠词。而a second, a third等,则是another的意思。 (B) 日期多用序数。 It's on Friday, the fifth of October (= October the fifth = October 15th). (C) 序数的简体。 9th = the ninth; 12th = the twelfth; 16th = the sixteenth; (3) 分数: (A) 分数的表示法:第一,分子用基数,分母用序数。第二,分子大于2时,分母须加"s"以形成复数。 1/2 = a (one) half; 1/3 = a (one) third; 2/3 = two-thirds; 1/4 = a (one) quarter; (B) 分数可接与不可数名词;所接的名词是单数,则与单数动词连用,是复数则与复数动词连用。 A third of the peach was bad. A third of the bananas were bad. (4) 倍数词:常用的有half, double, treble(三倍)等。 (A) half a, a half, half the +名词,表(一半的)。 He ran a half mile in half an hour. He ran half a mile in half an hour. I have read half the book. (B) half还可作名词,代名词及副词。 Two halves make a whole. (名词) This is half as much again as that. (副词) (C) 倍数常用的表达法: (half; double; treble; twice; two times; three times; four times...) +定冠词或所有形容词+名词或所有代名词 I had to pay double (= twice) the usual fare. That window is three times the size of this. 9. "数词+名词"结合而成的形容词: (1) 数词+名词=形容词 a five-dollar bill; two three-hour periods; the Three-power Conference(三强会议); (2) 数词+名词+形容词=形容词 a six-year-old boy; a three-hundred-year-old tree; 注:上述的复合字是以hyphen(-)连结,而且其中的名词要用单数形式。 (3) 名词(无冠词)+基数=the +序数+名词 World War Ⅱ= World War Two or the Second World War; Vol. Ⅰ= Volume One or the First Volume; Page 4 = page four or the fourth page; Lesson 6 = lesson Six or the Sixth Lesson; Chap. Ⅲ = Chapter Three or the Third Chapter; Charles Ⅰ= Charles the First; cf. Napoleon the Great = the Great Napoleon; (这几种用法,非专有名词,可不用大写,但等号两边须一致。〕 (4) "数词+复数名词"作主词,虽为复数形,但强调单一性,则用单数动词。若强调一个一个的个别数,则用复数动词。 Thirty minutes is sufficient for a good sermon. Fifty dollars a month is a large sum in our eyes, but is nothing to him. cf. Ten years have passed since I saw you last. 10. 各种数字的读法: (1) 年号的读法: 1979←→nineteen seventy-nine or nineteen hundred (and) seventy-nine; (2) 电话号码;货币的读法: 1023←→one o two three; 1227←→one double two (or two two) seven; $4.25←→four dollars (and) twenty-five (cents); (3) 小数点的读法: 13.91←→thirteen decimal (point) nine one; 0.23 = nought demical two three; (4) 算术式的读法: 2+3=5 Two plus three is (equals, is equal to) five. 5-3=2 Five minus three is equal to two. 3×2=6 Three times two is six. or Three by two are six. 9÷3=3 Nine divided by three makes three. 形容词(二〕: 1. 限定用法:形容词紧靠着〔代)名词,直接修饰该〔代)名词。 (1) 前位修饰: (A) 字尾为en或表比较的形容词,大多只能作限定用法,放在名词的前面。 a wooden leg; earthen ware; his elder sister; the upper room, etc. (B) 下列这些形容词只有限定用法,没有叙述用法。 upper; former; latter; outer; inner; utmost; mere; only; utter; main; certain; very; live; spare; (C) 形容词前有so; no; too; how等字时,不定冠词应放在形容词之后。 He could not do it in so short a time. He is no less remarkable a man than his elder brother (is). (2) 后位修饰: (A) 名词之后的数词+名词+old; long; high; wide; deep; etc. a man eighty-five years old; a river two hundred miles long; (B) 为加强语气或音调美,而将限定形容词放在后面。 He had a face thin and worn, but eager and resolute. (C) something; anything; everyone; anybody... + 形容词。 I'll tell you something very important. That's nothing new. (D) 由形容词子句省略主词和动词而不的过去(或现在)分词或形容词片语。 I have answered all the letters (which were) received (by me). Alfred was a king anxious for his people's welfare. 2. 叙述用法:形容词作补语,间接地修饰〔代)名词。 He was awake all the night. 〔主词补语) The noise kept me awake. 〔受词补语) 注:可作限定用法和叙述用法的形容词。 I have many trustworthy friends. 和 All of my friends are trustworthy. It was a hot and sultry day. 和 The weather became hot and sultry. 3. 作补语的形容词: (1) be+形容词+介系词:由此结合而成的片语,有些等于及物动词。 I am fond of skiing. = I like skiing. He is afraid of it. = He fears it. 注:其他如:be capable of; be concerned with; be (un)familiar with (to); be late for; be subject to; be worthy of; etc. (2) 某些已转化为形容词的过去分词,其后通常接at; about; with; in; of等介词。 John is interested in English grammar. He was surprised at her behaviour. (3) be+形容词+介系词:可接〔代)名词,动名词,或名词子句,但名词子句若是that子句须省略介词,因that子句不可直接作介词的受词。 She was not aware of the facts. She was not aware (of) how much her husband earned. She was not aware that there is danger. (4) It+ be +形容词+that子句 It is true that she never came. 此类形容词有:certain; likely; obvious; plain; possible; true; etc. (A) that子句中的假设法。 It is appropriate that he (should) get the post. (should可省略〕 (B) 人称形容词亦可接其他连接词引导的子句。 I'm not sure why he came. I'm not clear where she went. 4. 有关worth; worth while; worthy的句型 如下: (A) 主词(含it) + be worth + (动)名词 (B) It(虚主词) + be worth while + 不定词或动名词 (C) 主词 + be worthy + of + (动)名词 主词 + be worthy + 不定词 This book is worth reading. (= It is worth while to read this book. = This book is worthy of reading. = This book is worthy to be read.) 5. like和as: like只能作介词不能作连接词; as则两者都可。 I hoped to succeed as you have (succeeded). I hoped to succeed like you. I hope to succeed *like you have. (like作连词是非正式的用法) 冠词 (三) 1. 不定冠词的用法: (1) a用在子音前; an用在母音前。 An hour (2) 表同种类的全体, 此时a带有any的意味。 A dog is a faithful animal. (=Dogs are faithful animals.) (3) 等于one。 I have a sister and two brothers. (4) 等于the same. Birds of a feather flock together. (5) 等于per"每一......"。 We work eight hours a day. Ninety miles an hour; (6) a = a certain, 表说话者不认识此人。 Do you know a Mr. Smith? (7) 物质名词或抽象名词加a (an)即成普通名词, Asparagus is a grass. (a = a kind of) ; This is a good cloth for summer. (8) "have (or take) + a + 抽象名词",与抽象名词的动词形同义。 Let us take a swim. = Let us swim. 2. 定冠词的用法: (1) 由于上下文的关系, 某名词所指的东西已非常明显, 或已有一定的范围, 该名词应加the。 Shut the door. Please pass me the caster. (2) 表该名词的总称。 The cow is a useful animal. (= Cows are useful animals.) (3) 前面已提过的名词,再度提到时前面加the。 Once upon a time there was a little boy who lived in a cottage. The cottage was in the country, and the boy lived there all his life. (4) 用于为片语或子句所修饰的名词之前。 This is the book that I promised to lend you. (5) 用在宇宙(独一无二)的天体名词之前。 The sun; the moon; the sky; the earth; (6) 用在方位,方向等名词之前。 The sun rises in the east and set in the west. (7) 乐器的名称前要加the。 To play the piano (violin, guitar, flute, etc.) |