Unit2WitnessingtimeGrammarTeachingaimsanddemands:Toteachparticipleclauses
Difficultandkeypoints:ParticipleclausesTeachingaids:Multi-mediaTeachingsteps:1
Showsomepictureswithparticipleclauses
Askstudentstoreadtheguidelinesandpart1onpage24thataparticipleclausecanbeusedasanattributive
Anadverbialoracomplement
Someexamples:①________fromothercontinentsformillionsofyears,Australiahasmanyplantsandanimalsnotfoundinanyothercountryintheworld
(2005湖北)A
BeingseparatedB
HavingseparatedC
HavingbeenseparatedD
Tobeseparated②__inthemountainsforaweek,thetwostudentswerefinallysavedbythelocalpolice(2005年江苏卷)A
HavinglostB
BeinglostD
Losing③Themomentthe28thOlympicGames_______open,thewholeworldcheered
declaredB
havebeendeclaredC
havedeclaredD
weredeclared④Havingatripabroadiscertainlygoodfortheoldcoupl