六年級小升初英語語法課件PPT
六年級小升初英語語法課件PPT,六年級,小升初,英語語法,課件,PPT
動 詞動詞-三單形式1、動詞第三人稱單數(shù) 在一般現(xiàn)在時中,當(dāng)主語是第三人稱單數(shù)時,謂語動詞要用第三人稱單數(shù)形式,即常在動詞原形后加-s或-es 動詞第三人稱單數(shù)變化有三種形式:1)一般動詞在詞尾直接加s,s在清輔音之后讀/s/,在濁輔音或元音后讀/z/,ds讀/dz/,ts讀/ts/。如:help-helps/helps/,get-gets/gets/,read-reads/ri:dz/2)以字母x、s、ch、sh或有以o結(jié)尾的詞加es,es讀/iz/。如:teach-teaches/ti:t iz/,wash-washes/wiz/動詞-三單形式 3)以輔音字母加y結(jié)尾的動詞,變y為i加es,ies讀/iz/。如:carry-carries/kriz/,fly-flies/flaiz/注:在play-plays/pleiz/,say-says/sez/中,字母y前為元音字母,第三人稱單數(shù)直接在y后加s即可 4)以不發(fā)音e結(jié)尾的,直接加s,如果尾音是/s/z/的,加s后字母“e”與“s”一起讀作/iz/5)特殊詞例外。如:be-is/iz/,have-has/hz/動詞-現(xiàn)在分詞ing形式 2、動詞現(xiàn)在分詞形式 1)一般情況在動詞原形后直接加ing。如:go-going,stand-standing 2)以不發(fā)音e結(jié)尾的動詞,去掉e再加ing。如:dance-dancing,ride-riding 3)以重讀閉音節(jié)結(jié)尾的,末尾只有一個輔音字母的詞,雙寫最后一個輔音字母再加ing。如:swim-swimming,run-running,get-getting 4)少數(shù)幾個以ie結(jié)尾的,須將ie變?yōu)閥再加ing。如:die-dying,lie-lying 動詞-過去式3、動詞過去式 1)動詞過去式的變化規(guī)則 (1)一般情況下,動詞詞尾加 ed,如:worked played wanted acted (2)以不發(fā)音的 e 結(jié)尾動詞,動詞詞尾加 d,如:lived moved decided declined hoped judged (3)以輔音字母+y結(jié)尾的動詞,把y變?yōu)閕 再加ed,如:studied tried copied cried carried 動詞-過去式(4)以一個輔音字母結(jié)尾的重讀閉音節(jié)動詞,雙寫詞尾輔音字母,再加 ed,如:stopped begged dropped planned (5)注:不規(guī)則動詞的過去式變化規(guī)律性不強,須多加記憶。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,sweepswept,singsang,drawdrew 動詞-過去式不規(guī)則動詞的過去式大體上歸納有以下六條記憶法:以t結(jié)尾的詞,過去式與原形相同。如:putput,letlet,cutcut,beatbeat 以d結(jié)尾的詞,把d變成t。如:buildbuilt,lendlent,sendsent,spendspent 以n結(jié)尾的詞,在詞后加t。如:meanmeant,burnburnt,learnlearnt 以ow/aw結(jié)尾的詞,把ow/aw變成ew。如:blowblew,drawdrew,knowknew,growgrew 含有雙寫字母的詞,將雙寫改為單寫,在詞尾加t。如:keepkept,sleepslept,feelfelt,smellsmelt 含有元音字母o/i的詞,將o/i變成a。如:singsang,givegave,sitsat,drinkdrank 動詞-過去式規(guī)則動詞詞尾加ed的讀音 (1)在清輔音后讀作t。如:asked,helped,watched,stopped (2)在濁輔音和元音后讀作d如:enjoyed,studied,moved,(3)在t/d后讀作id。如:wanted,needed
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