一:英语的谓语动词有两种语态We speak English.主语谓语宾语English is spoken by us.主语谓语宾语宾变主 , 主变宾 , 前加 by动变被 , 看清 be, 结构分别 be+ pp主动语态被动语态 主变被解题步骤 :1. 找宾语 ---- 即动作的承受者They make shoes in that factory. Shoes2. 判断宾语的单复数 ---- 即 be 动词的单复数 .arewere3. 判断动词的时态 ---- 即 be 动词的时态 .4. 修改谓语的时态 ---- 即原句动词改为过去分词 made5. 修改原句的主语 ---- 即 by+ 主语 / 宾语 . by them. Tom broke the window. The window was broken by Tom. Tom broke the windows. The windows were broken by Tom. He broke the windows. The windows were broken by him. 一般现在时: am / is / are done一般过去时: was / were done现在进行时: am / is / are being done过去进行时: was / were being done现在完成时: have / has been done过去完成时: had been done一般将来时: shall / will be done ; be going to be done当句中含有情态动词时,句子结构为 can / must / have to…be done 1.They make shoes in that factory.主语 + 及物动词 + 宾语Shoes are made (by them) in that factory.一般现在时:S( 主语) +am/is /are + 过去分词 HeHe rides rides the motorbike to his factory every the motorbike to his factory every day.day.The motorbike The motorbike is riddenis ridden to his factory every day to his factory every day.. We We call call the snowman Mr Strong.the snowman Mr Strong.The snowman The snowman is calledis called Mr Strong. Mr Strong. We usuallyWe usually hear hear himhim play play in the next in the next roomroom..HeHe isis usually usually heardheard to to playplay in the next room. in the next room. 2. They bought ten computers last term . Ten computers were bought (by them) last term.一般过去时: S+was/were + 过去分词 HeHe bought bought his friend some fruits yesterday. his frie...