语法点：现在分词 Grammar Point-Present Participle

Grammar：PresentParticiple现在分词GrammarThePresentparticiple：

alwaysendingin-ing.现在分词：-ing形式Participle（分词）Presentparticiple（现在分词-ing）Pastparticiple（过去分词-ed）Usage用法Example例子bedoing进行时态

Asanadj.作为形容词Asagerund作为动名词Fortwoactionsatthesametime两个动作同时发生时，其中一个使用现在分词Heishavingashowernow.Thesmilinggirlismysister.Maryisinterestedinreadingbooks.Helefttheroomlaughing.Usage用法Example例子bedoing进行时态

Asanadj.作为形容词Asagerund作为动名词Fortwoactionsatthesametime两个动作同时发生时，其中一个使用现在分词Heishavingashowernow.Thesmilinggirlismysister.Maryisinterestedinreadingbooks.Helefttheroomlaughing.Withtheverbs:see,hear,watch,find,spend,waste，etc.

与以上动词连用Isawthemcrossingthestreet.Heishavingashowernow.(Presentcontinuous)2.Hewashavingashowerwhenthephonerang.(Pastcontinuous)3.Hewillbehavingashower,sotakethehousekeyswhenyougoout.

(Futurecontinuous)bedoing进行时态

acryingbabyrunningwateraninterestingmovieamovingstoryanannoyingshowAsanadj.作为形容词Seeingisbelieving.Swimmingregularlyisverygoodexercise.Ireallylikesailing.Thisarticlereallyneedscompletelyrewriting.I'vereallyenjoyedmeetingyou.Asagerund作为动名词Fortwoactionsatthesametime两个动作同时发生时，其中一个使用现在分词Thedogenteredtheroom,followingitsmaster.Hesatinthearmchair,readinganewspaper.现在分词表示：主动、正在进行Withtheverbs:see,hear,watch,find,spend,waste，etc.与以上动词连用Icouldhearthemplayinginthegarden.Don’tlethimcatchyoureadinghisletters.Ifoundhimsittingonaparkbenchreadingabook.D