•I__________(do)myhomeworkalready
•He_______________(notfinish)hishomeworkyet
•ThisisthemostexcitingmatchI______ever_____(see)
•Mother_____just_______(clean)thehouse
It’ssotidy
•They_________________(practice)thisdialoguetwice
•We_____________(learn)Englishfortwoyears/sincetwoyearsago/since2010
Green_________(be)inChinatheseyears
havedonehasn’tfinishedhaveseenhascleanedhavepracticedhavelearnedhasbeenhavebeento曾经去过某地(人已回)Someonewenttosomeplaceandhasalreadycomebackhavebeenin去某地一段时间(跟时间)someonestayinsomeplaceforsometimehavegoneto去了某地(人未归)SomeonewenttosomeplaceandisstillthereABAABB1
A:Where’sJim,LiLei
B:He______________hisschoollibrary
TheGreens_____________theUSA
Theywon’tgotherewithusthissummer
We_____________theGreatWalltwice
It’sverybeautiful
Myfather____________Beijing
Hewillbeb