Unit3LastWeekendPartBLet’slearnShewenttoapark.WhatdidChengjiedoyesterday?WhatdidJohndoyesterday?Hewentswimming.WhatdidJohndoyesterday?Hewentfishing.Shereadabook.WhatdidChengjiedoyesterday?Shewenthiking.WhatdidAmydoyesterday?动词过去式形式:1.look-lookedplay-playedvisit-visited2.live-livedhope-hopeduse-used3.stop-stoppedplan-plannedtrip-tripped4.study-studiedcarry-carriedworry-worried5.do-diddoes-didis-wasam-wasare-werehas-hadhave-had
