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1、-Grammar1:可数名词单数变复数规则名词可以分为可数名词与不可数名词,其中可数名词具有单复数的形式;而不可数名词没有可数名词复数变化规则如下: 1一般情况下,直接加-s,如:book-books, bag-bags, cat-cats, 2以s. x. sh. ch结尾,加-es,如bus-buses, box-boxes, watch-watches, brush-brushes3以“辅音字母+y”结尾,变y为i, 再加-es,如:family-families, strawberry-strawberries4以“f或fe”结尾,变f或fe为v, 再加-es,如:knife-kniv
2、es5. 以o结尾,有生命的加es, 无生命的加s. 如:potato-potatoes 6不规则的名词复数 man-men, woman-women, policeman-policemen, police woman-policewomen, child-children, foot-feet, tooth-teeth, fish-fish, sheep-sheep, people-people, Chinese-Chinese, Japanese-Japanese,以下词为常为不可数名词,他们的复数形式就是他们本身。water(水) milk(牛奶) tea(茶) rice(米饭) or
3、ange(橙汁)juice(果汁)不可数名词的数量关系可借助量词表示,如a cup of tea two cups of tea Grammar2: 第三人称单数第三人称单数:单个的人称(除I和YOU),单个的事物动词三单的变化规则 1一般情况下,直接加-s,如:cook-cooks, 2以s. x. sh. ch. o结尾,加-es,如:guess-guesses, wash-washes, watch-watches, go-goes3以“辅音字母+y”结尾,变y为i, 再加-es,如:study-studies4.Be动词的三单is, have三单has. Grammar3:肯定句变否定
4、句的规则1. 找 is , am ,are , was, were, can, could, will 等词。找到后在这些词后面加 not2. 如果没有这些词, 第三人称(-s)在句前加does not 不是第三人称(原形)在句前加do not过去时(-ed)在句前加 did not does not, did not后面用动词的原形3.肯定句中的some要改为any例如:1.She loves reading.(变否定句) She does not love reading.2. There are some books. There are not any books. 3. He wen
5、t to the park yesterday. He did not go to the park yesterday. Grammar4:怎样变一般疑问句:1. 找 is , am ,are , was, were, can, could, would, should ,will 等词。找到后提前。2. 如果没有这些词,过去时(-ed)在句前加 did 第三人称(-s)在句前加does 不是第三人称(原形)在句前加do Does,did后用动词原形3. I 变you my 变your some 变anyGrammar5:人称代词主格宾格形容词性物主代词名词性物主代词我I me mymine
6、你youyouyouryours他hehimhishis她sheherherhers它itititsits我们weusourours他们theythemtheirtheirsGrammar6:动词的过去试变化规则1.一般情况加 ed want-wanted2.以e结尾的单词加 d skateskated3.辅音加y结尾的单词,把y改为i加ed, try-tried4.重读闭音节,且末尾只有一个辅音结尾的单词,双写这个辅音加 ed stop-stopped特殊单词 gowent say-said fallfell have -had run ran singsang, is , am -was
7、are -were do/ does -did read-read see-saw一般过去时标志词有: yesterday, last week , last (year, month), (long, two years) ago, in the past, in 1989, at the age of 5 Grammar7:形容词的比较级变化形式规则 (1)一般情况下,单音节或双音节的形容词比较级er , e.g. fewfewer smallsmaller (2)以e结尾的词,比较级r, e.g. nicenicer,largelarger ,cutecuter (3)以辅音字母y结尾的
8、变y为ier, e.g. easyeasier, happyhappier (4)双写最后一个辅音字母er。 e.g. fatfatter thinthinner hothotter (5)多音节和部分双音节的词在形容词原级前more, beautiful more beautiful ;双音节的词如:carefulmore careful,useful more useful 不规则形容词的比较级good ,wellbetterbad , illworse many, muchmore littleless farfarther/further形容词比较级用法:形容词比较级+than+表示在
9、两者中间一方比另一方“更加” 注意than前后两项相比较的人或事物要一致。 Grammar8:形容词的最高级变化形式规则 (1)一般情况下,单音节或双音节的形容词最高级est, e.g. fewfewest smallsmallest (2)以e结尾的词,比较级st, e.g. nicethe nicest, cutethe cutest largethe largest (3)以辅音字母y结尾的变y为iest e.g. easythe easiest happythe happiest 写写看:early , busy , heavy , dirty , lazy (4)双写最后一个辅音字母
10、est。 e.g. fatthe fattest thinthe thinnest hotthe hottest bigthe biggest (5)多音节和部分双音节的词在形容词原级前the most, beautiful the most beautiful ;双音节的词如:carefulthe most careful,useful the most useful 不规则形容词的最高级good ,wellthe bestbad , illthe worst many, muchthe most littlethe least farthe farthest /the furthest形容词最高级用法: 表示“三者或三者以上之间最的一个”时,用“the + 最高级”。如:1.Lucy is the taller of the twins. 2. Le Le is the tallest student in our class.-第 4 页-