1（一）根据要求说出单词的正确形式（一）根据要求说出单词的正确形式1.-s（第三人称单数形式）cook_ study_ dress_ catch_ fix_ put_ enjoy_ carry_ cooksstudiesdressescatchesfixesputscarriesenjoys2.-ing(现在分词/动名词)wait_ set_ begin_ improve_ open_ prepare_ shop_ carry_waitingsettingbeginningimprovingopeningshoppingcarryingpreparing3.Past and past participle forms(过去式和过去分词)(1)Regular changes(规则变化):-ed worry_ stop_ solve_ prefer_ wash_ check_ produce_ enjoy_ stoppedpreferredcheckedwashedproducedsolvedenjoyedworriedv(2)Irregularchanges(不规则变化不规则变化)：v熟
