The street lights are switched on at sunset.
The street lights are switched now.
请问老师,第一句中的switched是不及物动词吗?因为我看它后面跟了on。另外它是被动语态省略了动作实施者吧?
switch on 是短语动词,不要拆开进行分析。 are switched on 和 are switched 都是被动语态。