英语：unit1 Learning about language课件(人教版选修7).ppt

英语：unit1_Learning_about_language课件(人教版选修7):NounAdjectiveAmbitiousAbsentsuitabilityBenefitannoyanceambitionabsencesuitablebeneficialannoyed/::inmanywayssitaroundmadefunofadapttooutofbreathAllinallcuttingoutinotherwords不定式是动词的一种非限定形式,由“to+动词原形”构成,没有人称和数的变化,、形容词和副词的特征,在句中可以作主语、宾语、宾语补足语、表语、定语、状语等。复****不定式(RevisetheInfinitive)不定式在句中的功能做主语:“头重脚轻”现象,常用it做形式主语,。.(2)做宾语她喜欢谈论这件事情。:afford,agree,aim,arrange,ask,attempt,begin,bother,care,choose,continue,dare,decide,demand,expect,fail,hate,hope,learn,long,manage,mean,need,offer,plan,prefer,prepare,promise,prove,refuse,want,wish等<1>.不定式有时和连接代/?下一步干什么你决定了吗?Haveyoudecidedwhattodonext?’llaskhimhowtooperatethemachine.<2>’tknowwhethertolaughorcryaboutit.