The students cleaned the classroom (by themselves)还是(themselves)

The students cleaned the classroom (by themselves)还是(themselves) the students have cleaned their classroom already.改否定句 The students made their classroom clean 还是cleaned? the classroom —cleaned by some studentthe classroom —cleaned by some students 帮忙教下被动语态...一般现在时 the students clean the room every day.The room is cleaned by students every day.一般过去时 the students cleaned the room.the room was cleaned by students.还有一般将来时 现在进行时 过去进 cleaned the The teacher ordered the classroom___at once and the students began to work .A.to be cleaned B.cleaned C.to clean D.being cleaned 连词成句 the the cleaned after she students trips with bus the 如何连? 被动变主动：The classroom is being cleaned.（the students作主语） The students cleaned the house__Tom's grandparents.A.for B.to what提问时谓语用单数还是复数?对The students has cleaned the classroonm.提问,是What has been done by the students?还是What have been cleaned by the students? ___________ the classroom,the students went to the playground to watch the football match.　　A.___________ the classroom,the students went to the playground to watch the football match.　　A.To clean B.Having cleaned C.Cleaned D.Cleaning the house was cleaned The students have cleaned the classroom,_______?A.so they B.don't C.have they D.haven't they 被动语态by后面的是什么成分?是状语还是宾语.The classroom is cleaned (by the students) 速求._______the classroom,the students went to the playground to watch the football match.A To clean B Having cleaned C Cleaned D Cleaning我选的是B...但是感觉好像时态有点问题 昨天知道雨停了学生才离开公园 The students ___the rain stopped yesterday.he came back home after he cleaned the classroom yesterday.=he --- ---- home ---- he cleaned the classroom. mary cleaned the room yesterday对 cleaned the room提问.