第六册M4P2-Grammar.ppt

Module4
MusicThepresentperfectprogressive:
1.showsthatanevent,activityorsituationthatbeganrecently,orinthepast,andcontinuestothepresent.
"Colinhasbeenrakingtheleavesforhours."2.canbeusedtodescribeanevent,activityorsituationthatbeganinthepastandendedonlyashorttimeago.
"Johnhasbeenplayingtheguitarallmorning,andnowhisfingershurt."
3.isoftenusedtoanswerthequestions"Howlong?"or"Sincewhen?"
"IhavebeenteachingEnglishsince1963."
"PaulhasbeenspeakingEnglishforfiveyears."Someverbsarenotusedinthepresentperfectprogressivetense.Thesearethestativeverbsthatdonotdescribemotionoractivity:be/have(possess)/hear/know/like/love/prefer/recognize/see/suppose/understand/want/wish
Theseverbsareusedinthepresentperfectsimple,nottheprogressive.
"JoeyhasknownJanicesince1989."(not"hasbeenknowing")Thepresentperfectprogressivetenseanswersthequestions"Howlong?"and"Sincewhen?",butnot"Howmany/much?"Forthese,weusethepresentperfectsimple.
"Bobhasbeenplayingchessthreetimesaweeksince1987."
"Bobhasplayedchessthreetimesthisweek."(not"hasbeenplaying")Thegeneralruleforconstructionofthepresentperfectprogressivetenseis:has/have+been+verb+-ing
"Thedoghasbeenchasingthemailman."
Innegativestatements,notisputimmediatelyafterhas/haveandbeforebeen.
"Mrs.Thompsonhasnotbeenteachingforverylong."Inquestions,thesubjectandhas/havechangeplaces.
Statement:"Thetwoboyshavebeenlookingforthelostring."
Question:"Havethetwoboysbeenlookingforthelostring?Presentperfectprogressivetensedescribesanactionthatbeganinthepast,continuesinthepresent,andmaycontinueintothefuture.Thistenseisformedbyusinghas/havebeenandthepresentparticipleoftheverb(theverbformendingin-ing).
TheCEOhasbeenconsideringatransfertothestateofTexaswhereprofitswouldbelarger.LiuFanghasplayedthepipasincetheageofsix.
She’sgivenconcertssinceshewaseleven.Readthesentencesandanswerthequestions.2.Whichofthesethingsistrueaboutthesentences?
a.Thepeoplestarteddoingthesethingsinthepastandarestilldoingthem.
b.Thepeopledothesethingseveryday.
c.Theactionstakeaverylongtimetocomplete.ha