情态动词的被动语态写几个初中水平的例句,

被动语态：be + 动词的过去分词
含情态动词的被动语态：can\ may\ must\ should + be + 动词的过去分词
The flowers should be watered every day.
Cars mustn't be parked here.
Children can be taken to the cinema free on Children's Day.