四年級英語現(xiàn)在進行時課件ppt課件

.,1,現(xiàn)在進行時,民勤東關(guān)小學王彥,.,2,連詞成句,He,is,dancing,now,Heisdancingnow.,.,3,現(xiàn)在進行時,主語+be+V-ing,關(guān)鍵詞：,now,listen,look,Itsoclock,定義：,表示現(xiàn)在正在進行或正在發(fā)生的動作。,結(jié)構(gòu)：,Heisdancing.,Hesdancing.,Iamdancing.,Imdancing.,Youaredancing.,Youredancing.,be動詞隨人稱變?yōu)閕s,am,are有be必有V-ing,有V-ing必有be,.,4,1.Look,theboyis_(play)basketball.,playing,.,5,2.Thegirlsareplayingfootball.,.,6,3.Theyarechattingwitheachother.,.,7,4.Sheisdancing.,.,8,5.Theyaresinging.,.,9,6.Its10:00.Thelittlegirlis_(sleep).,sleeping,.,10,7.Look!Theyare_(dance).,dancing,.,11,8.Whataretheydoing?They_(run).,are,running,.,12,9.Kate_(drive)acarnow.,is,driving,.,13,10.Its12:00.Theman_(have)lunch.,is,having,.,14,動詞如何加ing？,1.直接加ing如：play-playing,do-doing,go-going,2.去掉不發(fā)音e，再加ing如：drive-driving，have-having,3.重讀閉音節(jié)，雙寫最后一個字母，再加ing如：swim-swimming，skip-skipping，run-running,.,15,口訣教你學doing進行時很好記,be加動詞-ing;直加雙寫去啞e,分詞構(gòu)成須仔細;別說be無詞義,主語和它最親密;變疑問be提前,否定not再后添;何時要用進行時look,listen,now標志.,.,16,swimming,1.swim-2.get-3.catch-4.have-5.do-6.run-7.make-8.dance-9.shop-,getting,catching,having,doing,running,making,dancing,shopping,-Exercise-,.,17,Sheiseatingnow.否定句：Sheeatingnow.一般疑問句：Issheeatingnow?,isnot,isnt,.,18,Issheeatingnow?.,肯定回答：Yes,Sheis.否定回答：No,Sheisnt,.,19,結(jié)構(gòu)：,主語+be+V-ing