Heplantsflowerseveryyear.

　　-->Flowersareplantedbyhimeveryyear.

　　WespeakChinese.

　　-->Chineseisspokenbyus.

　　Ilookaftertheoldman.

　　-->Theoldmanislookedafterbyme.

　　Doyoucleanyourroomeveryday?

　　-->Isyourroomcleanedbyyoueveryday?

　　Tomdoesn’twashhisshoeseveryweek.

　　-->Tom'sshoesaren'twashedbyhimeveryweek.

　　Iwrotealetteryesterday.

　　-->Aletterwaswrittenbymeyesterday.

　　Marymade3kitestheotherday.

　　-->3kitesweremadebyMarytheotherday.

　　Didtheybuildthisbridgelastyear?

　　-->Wasthisbridgebuiltbythemlastyear?

　　Theyaskedustosingasong.

　　-->Wewereaskedtosingasongbythem.

　　Theydidn’twatertheflowers.

　　-->Theflowersweren'twateredbythem.

　　Wemustobeytheschoolrules.

　　-->Theschoolrulesmustbeobeyedbyus.

　　ShouldIopenthedoor?

　　-->Shouldthedoorbeopenedbyme?

　　Wumustplanttreeseveryyear.

　　-->Treesmustbeplantedbyuseveryyear.

　　Tomshouldn’tdrinkcoldwater.

　　-->Coldwatershouldn'tbedrunkbyTom.

　　Wecan’tseestarsinthedaytime.

　　-->Starscan'tbeseenbyusinthedaytime.

　　Marywillsweepthefloor.

　　-->ThefloorwillbesweptbyMary.

　　WillTomcleanhisroom?

　　-->WillTom'sroombecleanedbyhim?

　　Iwon’tbelievehisstory.

　　-->Hisstorywon'tbebelievedbyme.

　　Peoplewon’tusepapermoneyin100years.

　　-->Papermoneywon'tbeusedbypeoplein100years.

　　Maryisgoingtowashthedishes.

　　-->ThedishesaregoingtobewashedbyMary.

　　Tomhascleanedhisroom.

　　-->Tom'sroomhasbeencleanedbyhim.

　　Theyhaveplantedalotoftreessince1990.

　　-->Alotoftreeshavebeenplantedbythemsince1990.

　　Maryhasn’tcleanedherroom.

　　-->Mary'sroomhasn'tbeencleanedbyher.

　　Haveyoufinishedyourhomework?

　　-->Hasyourhomeworkbeenfinishedbyyou?

　　Howmanybookshaveyousoldoutsofar?

　　-->Howmanybookshavebeensoldoutbyyousofar?

　　Afriendisplayingthepiano.

　　-->Thepianoisbeingplayedbyafreind.

　　Theyarereadingsomeoldbooks.

　　-->Someoldbooksarebeingreadbythem.

　　Areyouusingyourknife?

　　-->Isyourknifebeingusedbyyou?

　　Tomisnotreadingabook.

　　-->AbookisnotbeingreadbyTom.

　　IsMaryservingyounow?

　　-->AreyoubeingservedbyMarynow?

　　IwasmendingthebikewhenTomcamein.

　　-->ThebikewasbeingmendedbymewhenTomcamein.

　　Theywerehandingouttheexercisebookswhentheteachercamein.

　　-->Theexercisebookswerebeinghandedoutbythemwhentheteachercamein.

　　Hegavemeabookyesterday.

　　-->Abookwasgiventomebyhimyesterday

　　或

　　-->Iwasgivenabookbyhimyesterday.

　　Hismotherboughthimanewcoat.

　　-->Hewasboughtanewcoatbyhismother.

　　或

　　-->Anewcoatwasboughtforhimbyhismother.

　　Theyheardhersingasongattheparty.

　　->Shewasheardtosingasongattheparty.

　　Ifoundhimplayinginthepark.