being的用法和be的用法.ppt

LearntheuseofV-ingandbe动词的-ing形式在起名词作用时,称为动名词动名词可以在句子当中用作主语,表语,宾语,介词宾语并且还可以构成合成词。用作主语::::Wouldn'thebeafraidofbeingcaught?构成合成词:(includingphrasalverbs成语动词)Headmittedtakingthemoney.(takingthemoneyistheobjectof"admit")Soyoupreferbeingateacher?(beingateacheristheobjectof"prefer"),在(be)worth后也可跟动名词作宾语Itisworth有些动词后可以用动名词作宾语,也可以用不定式作宾语,有时意思有所不同Iremembertellingyouaboutit.(已经告诉了)Remembertotellhimaboutit.(还没有告诉)ethearingChaliapinsinginginthatopera.(还没有忘记)ettobringhisumbrella.(已经忘记了)Trydoingmoreexercise;you'llsoonloseweight.(试图做某事)I'lltrytoimprove.(尽力做某事)这样的词还有regret,help,want,need等有时两种结构只有细微的差别,例如在like,love,prefer,hate,dread等动词之后,动名词多表示一般情况,不定式多表示即将发生的事。Doyoulikereading?Ishouldliketohearothers'',意思上没有区别Hehatesthinking(tothink)(toraed),strat,intend,continue和cease后跟动名词或不定式都可以,有时意思上没有什么差别Ithasstratedraining(torain).Thebandbeganplaying(toplay).Shecontinuedworking(towork),在begin,start,和cease后,不定式多表示情况发生变化(a),而动名词表示有意识地开始或停止(b)a,,,到底是用todo还是v-,在以-ing结尾的动词后不宜再用动名词,以避免-ing的重复。Asobjectofpreposition有许多有介词构成的成语动词后可以跟动名词作宾语。Eg:-”be+adj+preposition"的结构后也常可用动名词作宾语Areyouinterestedingoingwithwithus?',例如,beangryabout,beexcitedat,besurprisedat,beresponsiblefor,betiredof,becapableof,beusedto,befedupwith等在“及物动词+宾语+介词”这类结构后,