The room was cleaned by somebody yesterday.主动语态变为被动语态的步骤: (1)将主动句的宾语变为主语,如果主动句的宾语是代词,需变为主格.如: (2)将动词改为“be+过去分词”,be与新主语的人称和数一致...
Somebodycleanedtheroomyesterday.改为被动语态
The room was cleaned by somebody yesterday.主动语态变为被动语态的步骤: (1)将主动句的宾语变为主语,如果主动句的宾语是代词,需变为主格.如: (2)将动词改为“be+过去分词”,be与新主语的人称和数一致...