1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
Three buildings and a playground were built at that time.
School uniform must be worn everyday.
The school roads were cleaned by the students everyday.
Now , some school roads are cleaned by the cleaner.
Passive voice
被动语态
be + V.(p.p)
build -- --
do-- --
speak -- --
go -- --
study-- --
give-- --
buy-- --
spend-- ---
take-- --
eat -- --
Ex1.写出下列动词的过去式和过去分词：
play-- --
know-- --
see -- --
break -- --
keep-- --
hold-- --
bring-- --
hit-- ---
hurt-- --
steal-- --
did
saw