1、词 性一名词专有名词 个体名词集体名词可数名词物质名词名词普通名词抽象名词不可数名词(一)名词-noun 缩写为 n.名词可以分为专有名词(Proper Nouns)和普通名词 (Common Nouns),专有名词是某个(些)人,地方,机构等专有的名称,如 Beijing,China 等。普通名词是一类人或东西或是一个抽象概念的名词,如:book, milk 等。普通名词又可分为下面四类:1)个体名词(Individual Nouns):表示某类人或东西中的个体,如:boy , cat 。2)集体名词(Collective Nouns):表示若干个个体组成的集合体,如:family ,cla
2、ss。3)物质名词(Material Nouns):表示无法分为个体的实物,如:milk ,air。4)抽象名词(Abstract Nouns):表示动作、状态、品质、感情等抽象概念,如:work , help。(三)名词的数的变化可数名词有复数形式,分为规则和不规则变化,1 规则变化 : 直接加-s 如:book, pen teacher student. Etc 加-es 以 x, s, (t)ch, sh 结尾的可数名词, 如:box,glass, watch, match, dish , wish. 以辅音字母加 y 结尾,去 y 变 i 加-es 如:story, country,
3、city, factory dictionary family baby.注意:以元音字母加 y 结尾的则直接加 s. :如:key, monkey, boy, toy, way, play(戏剧) 以 f 或 fe 结尾,变 f 为 v 加-es 如:knife, leaf, shelf, thief, wife , half.2)单复同形 如:deer(鹿), sheep(绵羊), Chinese, Japaneseli(厘),jin(斤),yuan(元),two li,three mu(亩),four jin 但除人民币元、角、分外,美元、英镑、法郎等都有复数形式。如: a dollar
4、, two dollars. 总之,中国的单位没有复数而国外的有。3)集体名词,以单数形式出现,但实为复数。如:people(人) police(警察) cattle(牲口) 等本身就是复数,不能说 a people,a police,a cattle,但可以说 a person,a policeman,a head of(一头)cattle。二代词第一人称 第二人称 第三人称主格 I we you She he it they宾格 Me,us you Her him it them形容词性物主代词 My, our your Her his its their名词性物主代词 Mine, our
5、s yours Hers his its theirs一 代词的分类1 人称代词的主格和宾格 : 主格:在句中充当主语。宾格:在动词或介词后面充当宾语。2 物主代词。包括形容词性和名词性的物主代词。形容词性的物主代词后面必须有名词,名词性物主代词后面不可有名词, 但要注意单复数。例:You have more apples than I, buy mine are better than yours. (此处的 mine 指 my apples,是复数)。反身代词,myself, themselves 等。1 特别注意 yourself 有复数形式是 yourselves 例: “Enjoy_
6、(you) ,” He said to the children. 此处用 yourselves. 反身代词用于一些固定的短语。如:hurt oneself, enjoy oneself, help oneself to, teach oneself,look at oneself in the mirror, say to oneself. 2 不定代词,all, each, every, both, either, neither,none, one, little, few, many, much,other, another, some, any, no。由 some, any, no
7、, every 等构成的合成代词3 指示代词.表示空间和时间远近关系的代词包括:this/that(单数),these/those (复数)this,these 指在方位上较近的人或物,that,those 指在方位上较远的人或物例:This is my shirt, thats yours.These TVs are made in China, those are made in Japan.that,those 常指前面提过的东西,以免重复例:These boxes are heavier than those on the desk.刚才提到的事情,在英文中用 that例:He was
8、 ill yesterday. Im sorry to hear that.6疑问代词。用来构成特殊疑问句的代词常见有:who whom whose what which ,通常做主语宾语定语表语例:What makes you think like that ? 做主语 Who(Whom) were you talking with? 做宾语Which bus do I need? 做定语Whats your father? 做表语注意:在口语中,Who 和 Whom 通用,但在介词后只能用 Whom例:With whom did he play games?(正)With who did
9、he play games?(错)二人称代词使用时的注意事项:1. 分清 its 和 its : its 它的 例如: The clock has its face.its=it is 例如:Its a toy clock。2. 名词性物主代词=形容词性物主代词+名词,名词是单数,名词性物主代词为单数,反之为复数。例如: His brother is a soldier. Mine is a driver and hers is an engineer. I left my clothes on the chair. Where _his?a friend of his/mine/yours=
10、 one of hisfriends3. A friend of his /mine=one of his /my friends4. 冠词不能和形容词性物主代词一起连用例如:a my cat(wrong)5. This/that +single noun; these/those + plural noun.6. In the dialogue, it can be used to refer to (this/that), they refer to (these /those)7. That 可用来代替前面提到过的单数名词或不可数名词,those 代替复数名词例如:The weather
11、 today is finer than that yesterday.The radios made in Beijing are as good as those made in Shanghai.三形容词一形容词的位置1形容词在句中 be 后常作表语2在名词前叫定语,一般形容词用“的”。二名词化的形容词The + (adj): 表一类人或物。 形容词作主语时,谓语动词为复数The rich, the poor, the old, the young 等三形容词的变化1形容词有时是名词加 y 变的sun-sunny, ,wind-windy, snow-snowy, rain-rainy,
12、 cloud-cloudy, health-healthy, luck-lucky, noise-noisy;2有时又是名词加 ful 变成形容词use-useful, care-careful, wonder-wonderful, beauty-beautiful,forgetful, help-helpful ,hope- hopeful 3有时动词的过去时,过去分词和形容词一样worry-worried, frighten-frightened, frustrate-frustrated, fry-fried五形容词比较等级的用法、比较级than、the +比较级+ of +the +t
13、wo 两个当中比较的一位、the +最高级+ of (in) +三者或以上、as+形容词原级+as、not so (as)+原级+as、the 比较级,the 比较级:越.就越、比较级+ and + 比较级:越来越.、one of the 最高级+名词复数四副词一 副词(在句中有时用在动词后面或前面)1. 它的规则变化是形容词后加 lyhelpful-helpfully, careful-carefully, quick-quickly, quiet-quietly, happy-happlily, noisy-noisily, lucky-luckily, heavy-heavily, wi
14、de-widely, easy-easily2. 只有三个去 e 加 ly 的terrible-terribly, true-truly, possible-possibly 3. 形容词和副词一样的late-late, early-early, long-long, much-much, fast-fast, far, a little, much, deep-deep.例: 1)He is late. He comes very late. 2)Our school is quite far. They jumped too far.三形容词和副词的比较级和最高级(1).比较级加 er,
15、最高级加 est,如:fast-faster-fastest, short-shorter-shorest, long-longer-longest(2).以辅音字母加 y 结尾时变 y 为 i 加 er,est,如:heavy-heavier-heaviest, empty-emptier-emptiest, early-earlier-earliest,hungry-hungrier-hungiest, easy-easier-easiest, tidy-tidier-tidiest.(3).以 e 结尾的加 r, st,nice-nicer-nicest, wide-wider-wide
16、st, fine-finer-finest, late-latest(4).双写的有:big-bigger-biggest, thin-thinner-thinnest, fat-fatter-fattest,wet-wetter-wettest, hot-hotter-hotter, red-redder-reddest, (5).部分双音节和多音节的单词比较级加 more,最高级加 most。careful-more careful-most careful, friendly-more friendly-most friendly, , favourite-more favourite-
17、most favourite, interesting, difficult, dangerous, popular, different, useful, forgetful, wonderful, beautiful注意:所有由形容词加 ly 变来的副词比较级加 more, 最高级加 most.slowly-more slowly-most slowly, loudly-more loudly-most loudly, heavily, quickly, quietly, carefully(6).不规则变化:good (well)-better- best many (much)-mor
18、e-most ill-worse-worst little-less-leastfar-farther-farthest bad (badly)-worse-worst few few-fewer-fewest注意:1)比较级前只用 a little, much, even 修饰。2)形容词最高级必须加 the,副词加不加都行。例:They are the farthest of us. (形容词)They jumped (the) farthest of us. (副词)五、动词(一)动词包括连系动词、助动词、情态动词、实意动词。其中,常见的系动词包括 Be, look, smell, taste, sound, feel, become, get,turn keep, seem. 实义动词包括及物动词和不及物动词.助动词包括 do, does, did,is am, are, was, were, have, has, had, 情态动词。情态动词包括 can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would)等.