
人教PEP六年级英语专项复习之动词.ppt
8页专项复习之动词动词-三单形式•1、动词第三人称单数 • 在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式,即常在动词原形后加-s或-es• • 动词第三人称单数变化有三种形式: • 1)一般动词在词尾直接加s,s在清辅音之后读/s/,在浊辅音或元音后读/z/,ds读/dz/,ts读/ts/如:help-helps/helps/,get-gets/gets/,read-reads/ri:dz/ • 2) 以字母x、s、ch、sh或有以o结尾的词加es,es读/iz/如:teach-teaches/ti: tʃ iz/,• wash-washes/’wɔʃiz/ 动词-三单形式• 3) 以辅音字母加y结尾的动词,变y为i加es,ies读/iz/•如:carry-carries/’kæriz/,fly-flies/flaiz/ 注:在play-plays/pleiz/,say-says/sez/中,字母y前为元音字母,第三人称单数直接在y后加s即可 • 4)以不发音e结尾的,直接加s,如果尾音是/s//z/的,加s后字母“e”与“s”一起读作/iz/ • 5)特殊词例外。
如:be-is/iz/,have-has/hæz/动词-现在分词ing形式• 2、动词现在分词形式 •1)一般情况在动词原形后直接加ing如:go-going,stand-standing • 2)以不发音e结尾的动词,去掉e再加ing如:dance-dancing,ride-riding • 3)以重读闭音节结尾的,末尾只有一个辅音字母的词,双写最后一个辅音字母再加ing如:swim-swimming,run-running,get-getting • 4) 少数几个以ie结尾的,须将ie变为y再加ing如:die-dying,lie-lying 动词-过去式•3、动词过去式 • 1)动词过去式的变化规则 •(1)一般情况下,动词词尾加 ed ,如:worked played wanted acted •(2)以不发音的 e 结尾动词,动词词尾加 d,如: lived moved decided declined hoped judged •(3)以辅音字母 + y结尾的动词,把y变为i 再加ed,如: studied tried copied cried carried 动词-过去式•(4)以一个辅音字母结尾的重读闭音节动词,双写词尾辅音字母,再加 ed,如:stopped begged dropped planned •(5)注:不规则动词的过去式变化规律性不强,须多加记忆。
• go - went,make - made,get - got ,buy - bought ,come - came ,fly-flew ,is/am-was,are-were ,see-saw ,bring-brought,do-did,teach-taught, think-thought, say-said,sit-sat. read-read,spend-spent,eat-ate,give-gave,sit-sat,tell-told,write-wrote,feel-felt,find-found,hear-heard,know-knew put-put,grow-grew,take-took,catch-caught,come-came,become-became,swim-swam,sweep—swept,sing—sang,draw—drew 动词-过去式•不规则动词的过去式大体上归纳有以下六条记忆法: •①以t结尾的词,过去式与原形相同如:put—put, let—let, cut—cut, beat—beat •② ② 以d结尾的词,把d变成t如:build—built, lend—lent, send—sent, spend—spent •③ 以n结尾的词,在词后加t。
如:mean—meant, burn—burnt, learn—learnt • ④ 以ow / aw结尾的词,把ow / aw变成ew如:blow—blew, draw—drew, know—knew, grow—grew •⑤ 含有双写字母的词,将双写改为单写,在词尾加t如:keep—kept, sleep—slept, feel—felt, smell—smelt ⑥ 含有元音字母o / i的词,将o / i变成a如:sing—sang, give—gave, sit—sat, drink—drank 动词-过去式•①规则动词词尾加ed的读音 •(1)在清辅音后读作[t]如:asked, helped, watched, stopped (2)在浊辅音和元音后读作[d]如:enjoyed, studied, moved,(3) 在t / d后读作[id]如:wanted, needed。