unit2GrowingpainsProjectWritinganadviceletterⅠLanguagepoints
Recentlyhehasbeenrefusingtodohishomework,andinsteadinsistsonwastinghistimewatchingDVDsandlisteningtoforeignmusic
(1)havebeenrefusing现在完成进行时
该时态强调动作从过去开始,一直进行到现在
该动作可能仍在进行
它常用于表示延续至今的连续性或重复性动作
Ihavetypedyourletter
Ihavebeentypingyourletter
◆Nowthatsheisoutofajob,Lucy________goingbacktoschool,butshehasnotdecidedyet
hadconsideredB
hasbeenconsideringC
consideredD
isgoingtoconsider◆Iwillnottellthestudenttheanswertothemathproblemuntilhe______onitformorethananhour
hasbeenworkingB
willhaveworkedC
willhavebeenworkingD
hadworked(2)refusetodo2
Atpresent,topreventupsettinghismotherwithloudarguments,Iamallowinghimhisfreedom
(p38)目前,为了防止因为大声的争论使他母亲烦恼,我让他有那样做的自由
prevent预防(出现某事),妨碍,阻碍n
prevent+sb
’sdoingsb
(from)doing①Weshoulddoourbest