Unit4PublictransportGrammarandusageTeachingaims:Afterlearningthisperiod,studentswillbeableto1
understandhowthev-edorav-ingcanbeusedasadjective;2
understandhowthev-edorav-ingcanbeusedasadverb;3
summarizetherulesinwhichav-edorav-ingisused;4
learntousev-edorv-ingincorrectwayaccordingtodifferentcontexts
Teachingprocedures:Step1LeadinGuidestudentstoreadthefollowingpassageandhelpthemtoanalyzethefunctionofthev-ingusedinthepassage
(PPT4)Step2GrammarPointsPartoneav-edorav-inglikeanadjective1
Helpthestudentsunderstandhowtheycanuseav-inglikeanadjectivebyanalysingthesentencesgivenandthendrawaconclusionbythemselves
(PPT5)☆Shesatbesidethewindow,watchingthefallingleavesfloatingintheair
☆Itwasanexcitingmatch
Carsaretheleading()causesofairpollutionintheworldtoday
Realizing()howserioustheproblemhasbecome,th