初一语法知识一、一般现在时常见词：一直_________，通常__________，经常__________，有时__________，很少__________，从不__________,每天__________每周__________每个月__________每年__________结构：1.动词用__________2.系动词用______\______\______3.助动词用__________,__________4.第三人称单数作主语时动词的形式：(1)直接在词尾结尾加______:works,sleeps(2)以______,______,______,______结尾的词在词尾加es：watches,finishes(3)______________________的词改y为i在词尾加es:study—studies二、现在进行时常见词：看_________听_________现在_________现在_________结构：______\______\______+v-ing现在分词的构成：1）在词尾直接加_________:working2）不发音的e结尾的______________________:writing3）重读闭音节结尾的词（单个________字母加单个________字母结尾并且重读的词）双写末尾的________字母加ing：stopping,putting名词的复数形式：1）在词尾直接加_______:students2）以______,______,______,______结尾的词在词尾加es：watches,buses,boxes3）_____________________的词改y为i在词尾加es:study—studies,baby—babies4）以________，________结尾的，改f为______加________：小刀knife—knives,一半half—halves,狼wolf—wolves,叶子leaf—leaves,妻子wife—wives,生命life—lives,贼thief—thieves,架子shelf—shelves但：长颈鹿giraffe直接加s或不变5）man改为men：man–________woman-________Englishman-________Frenchman-________但：German—________Roman—________6)直接加s构成复数的某国人：American—________Canadian—________Australian—________Indian—________7)单复数同形：sheep,fish,deer,Japanese,Chinese,yuan8)以o结尾有生命的加es:tomatoes;potatoes;heroes但：袋鼠kangaroo直接加s；竹子bamboo不可数9)以o结尾无生命的，复数直接加s：照片photos,钢琴pianos,动物园zoos,收音机radios10)不规则变化：foot—tooth---child---mouse---基数词：onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfiftysixtyseventyeightyninetyhundredthousandtenthousandmillionbilliontwohundredandforty--six序数词：firstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieththirtiethfortiethfiftiethsixtiethseventietheightiethninetiethhundredth;thousandth;tenthousandth;millionth;billionthtwohundredandforty—sixth主格代词作主语：I________;you________;he________;she________;it________;we________;you________;they________宾格代词作宾语，用在动词、介词后：我_____;你_____；他______;她______;它____；我们______;你们_______;他们________；她们________；它们________形容词性物主代词用于名词前，相当于形容词：我的_____;你的_____；他的______;她的______;它的____；我们的______;你们的_______;他们的________；她们的________；它们的________名词词性物主代词相当于:形容词性物主代词＋名词，相当于名词：我的_____;你的_____；他的______;她的______;它的____；我们的______;你们的_______;他们的________；她们的________；它们的________一般过去时常见词：一直_________，通常__________，经常__________，有时__________，很少__________，从不__________,每天__________每周__________每个月__________每年__________结构：动词用过去式v-;系动词用\;助动词用动词过去式的构成：1）直接加:worked2）结尾的词在词尾加d:3）的词改y为i在词尾加ed:study--studied4）重读闭音节结尾的词（单个字母加单个字母结尾且结尾重读的词）双写末尾的字母加ed:stopped5）特殊变化：初一下课本120页4.一般将来时常见词：结构：1）+动词原形:Iwillgo.2）\\+goingto+动词原形:IamgoingtowatchTV.3）we\I++动词原形:IshallworkinBeijing.
