动句中 by 的宾语(宾格),如不需要则可省略。 4. 其它的成分(定语、状语)不变。 They make the bikes in the factory . The bikes in the factory. are made them by We speak English . by us. 主语谓语宾语主语谓语宾语主动语态被动语态 English is spoken 1. People play football all over the world. 2. The old man on TV tells a story on Sunday. 3. Students listen to the kind teacher carefully. Football is played all over the world by people. A story is told by the old man on TV on Sunday. The kind teacher is listened to by students carefully. 把下列的主动句变为被动句。六、被动语态的特殊情况 1.在主动语态中,使役动词 make, let, have 等及感官动词 see, watch, hear, notice, feel 等, 其后跟省 to的动词不定式(即动词原形),在变为被动语态时,必须加上不定式符号 to。 1) The boss made him work 14 hours a day. He was made to work 14 hours a day. 2) I see him walk to school. He is seen to walk to school.