Module4MusicPartOne:TeachingDesign第一部分教学设计Period2:Grammar—PresentperfectprogressivetenseGoalsTolearntouseunderstandandusepresentperfectprogressivetenseProcedures▇LearningaboutpresentperfectprogressiveThePresentPerfectProgressive●UsageThepresentperfectprogressive:1
showsthatanevent,activityorsituationthatbeganrecently,orinthepast,andcontinuestothepresent
"Colinhasbeenrakingtheleavesforhours
canbeusedtodescribeanevent,activityorsituationthatbeganinthepastandendedonlyashorttimeago
"Johnhasbeenplayingtheguitarallmorning,andnowhisfingershurt
isoftenusedtoanswerthequestions"Howlong
"or"Sincewhen
""IhavebeenteachingEnglishsince1963
""PaulhasbeenspeakingEnglishforfiveyears
"Someverbsarenotusedinthepresentperfectprogressivetense
Thesearethestativeverbsthatdonotdescribemotionoractivity:be/have