單元語法沙龍Unit4Myfriends觀察下面的句子，找出句子中體現(xiàn)時態(tài)的動詞(短語)和時間狀語1.ShecanceledthetripbecauseofthebadweatherlastSunday.___________________________________________________2.Weusedtodependonourparentsforeverything,butnowweareusedtodoingchoresbyourselves.___________________________________________________canceled,lastSundayusedto;areusedto,now3.Iheldoutmyhand,butshebowedtome.___________________________________________________4.IwaslateforschoolyesterdaymorningbecauseIoverslept.___________________________________________________5.MyparentsandIhadapicnicbesidetheriverlastweekend.___________________________________________________heldout;bowedwaslatefor;overslept,yesterdaymorninghad,lastweekend考點1規(guī)則動詞過去式的構(gòu)成記憶口訣:規(guī)則動詞過去式的變化規(guī)則動詞變化不難記，一般末尾加-ed。如果詞尾有個e，緊跟其后加個-d。輔音字母加y結(jié)尾也好記，變y為i加-ed。一般過去時（二）構(gòu)成規(guī)則例詞一般在動詞原形末尾加-ed。look—looked（看）以不發(fā)音的e結(jié)尾的動詞，加-d。live—lived（居住）以重讀閉音節(jié)結(jié)尾且末尾只有一個輔音字母，雙寫這個輔音字母，再加-ed。stop—stopped（停止）以“輔音字母+y”結(jié)尾的動詞，變y為i，再加-ed。study—studied（學(xué)習(xí)）考點2不規(guī)則動詞過去式的構(gòu)成不規(guī)則動詞的過去式?jīng)]有統(tǒng)一的構(gòu)成規(guī)則，需要逐個記憶。部分過去式的變化規(guī)則屬于同一類別。類別例詞be動詞am/is—wasare—were過去式與動詞原形拼寫相同let—letcut—cutread—readput—put中間元音變化i—aswim—swambegin—begansit—satring—rangi—oride—rodedrive—drovewrite—wrotewin—wono/a—edraw—drewthrow—threwgrow—grewhold—held類別例詞過去式以o（a）ught結(jié)尾bring—broughtteach—taughtcatch—caughtthink—thought結(jié)尾的d變?yōu)閠build—builtspend—spentsend—sentlend—lent含有雙寫字母的詞，將雙寫改為單寫，在詞尾加tfeel—feltkeep—keptsmell—smeltsleep—slept一用所給動詞的適當(dāng)形式填空。1.He________(begin)hisworkearlyyesterdaymorning.2.Thecat________(catch)amouselastnight.3.We________(bring)somegiftstothepartythedaybeforeyesterday.4.She________(choose)areddressfortheconcertlastweek.5.Thebird________

(fly)awayafewminutesago.begancaughtbroughtchoseflew二用所給動詞的適當(dāng)形式完成句子，每詞限用一次。6.Heisagreatwriterandhe________twobookslastyear.7.WhatsubjectdidKittylikebestwhenshe________inherprimaryschool?enter,write,study,win,teachwrotestudied8.Molly________

thelibrary,foundaseatbythewindowandstartedtowork.9.OnSeptember30,2022,theChineseteam________

thebasketballmatchagainsttheAustralianteam.10.Myuncle________mehowtoplaythe