中学英语时态-现在进行时.ppt

现在进行时用法:说话时正在进行的动作或当前一段时间正在进行的动作常用时间状语:now,thesedays动词构成:am/is/are+现在分词(--ing)am/is/areworking否定构成:am/is/are+not+现在分词一般疑问构成及简答:Am/Is/Are+主语+现在分词+其它?Yes,Iam(heis.)No,theyaren’t特殊疑问举例:Whatareyoudoingnow?Whoisflyingakitethere?注意:e,,return,die等的进行时有时表示即将发生的动作。(或较长时间)正在进行。:Whenareyouleaving?=Whenwillyouleave??现在进行时中动词形式:amis+-ingare1、do-doing2、live-living3、重读闭音节sit-sittingdrop-dropping以ie结尾die-dyinglie-。(wash)(sit)____inthefrontrowduringclass,buttodayshe(sit),sits,issitting3.(Lock,you,always)________thedoortoyourapartment(公寓)whenyouleave?’(wait,still),,thesun(shine)___inmybedroomwindowand(wake),:Look!It(snow):It’sbeautiful!ThisisthefirsttimeI’(snow,not,often);doesnotoftensnow