1、實(shí)意動詞一般過去時的變化規(guī)則：,重讀閉音節(jié),三要素 1）一個元音字母，必須是重讀音節(jié); （2）元音字母發(fā)短元音。 （3）以一個輔音音素結(jié)尾； 改變時態(tài)或形容詞變比較級和最高級時， 重讀閉音節(jié)需要雙寫末尾輔音字母. 如: runrunning swim-swimming jogjogging sit-sitting begin-beginning (重讀在gin這個音節(jié)上，相當(dāng)于把gin改成雙寫的) .,forbid - (重讀閉音節(jié)，雙寫). prohibit - (重讀在第二音節(jié)，非重讀閉音節(jié)，不雙寫). prefer - （重讀閉音節(jié)，雙寫） offer - （重讀第一音節(jié)，非重讀閉音節(jié)，

2、不雙寫）,forbidding forbade forbidden,prohibiting prohibited,preferring preferred,offering offered,knock- pick- walk- push- like- finish- stop- notice- answer-,enter- hurry- live- count- decide- close- look- shop- open-,knocked,picked,walked,pushed,liked,finished,stopped,noticed,answered,entered,hurried

3、,lived,counted,decided,closed,looked,shopped,opened,特殊變法P 274,動詞的不規(guī)則形式 A-A-A型 put-put- put read-read-read set-set-set let-let-let cut-cut-cut shut-shut-shut hit-hit-hit cost-cost-cost burst-burst-burst forecast-forecast-forecast broadcast-broadcast quit-quit-quit,找出不屬于A-A-A型的動詞： put，give, hit， cut，

4、set， let， cost， shut， buy, read， see, burst，forecast，broadcast, beat give-gave-given buy-bought-bought see-saw-seen beat-beat-beaten,A-B-B型 bring- buy- bleed- bend- burn- build- catch- deal- dig- fight- feed- find- get- hold- hear- have-,brought-brought,bought-bought,bled-bled,bent-bent,burnt-burnt,

5、built-built,caught-caught,dealt-dealt,dug-dug,fought-fought,fed-fed,found-found,got-got,held-held,heard-heard,had-had,hang- keep- lay- light- lead- leave- lend- send- spend- lose- learn- mean- meet- make- pay- shoot-,hung-hung,kept-kept,laid-laid,lit-lit,led-led,left-left,lent-lent,sent-sent,spent-s

6、pent,lost-lost,learnt-learnt,meant-meant,met-met,made-made,paid-paid,shot-shot,sleep- sweep- sell- smell- spell- spoil- say- sit- spit- shine- stand- think- teach- tell- win- understand-,slept-slept,swept-swept,sold-sold,spelt-spelt,spoilt-spoilt,said-said,sat-sat,spat-spat,shone-shone,stood-stood,t

7、hought-thought,smelt-smelt,taught-taught,told-told,won-won,understood-understood,A-B-C go- see- come- become- drink- run- begin- sing- ring- swim- sink- give- blow- know- break- choose- draw- drive- eat- fall- fly-,went-gone,saw-seen,came-come,drank-drunk,ran-run,rang-rung,sang-sung,sank-sunk,gave-g

8、iven,blew-blown,knew-known,became-become,broke-broken,chose-chosen,ate-eaten,flew-flown,began-begun,swam-swum,drew-drawn,drove-driven,fell-fallen,take- mistake- speak- freeze- forbid- forget- forgive- steal- write- rise- grow- throw- wake- wear- show- hide- lie-,took-taken,mistook-mistaken,spoke-spoken,forbade-forbidden,forgot-forgotten,forgave-forgiven,