请问,这两句话都是不定式作表语吗?1.He is to clean the house.2.His job is to clean the house.

问题描述:

请问,这两句话都是不定式作表语吗?
1.He is to clean the house.
2.His job is to clean the house.

第一个不是,be to do:(1)表示事先商定、安排或准备要做的事情.如:The students are to meet at the school gate tomorrow.明天学生们将在学校大门口集会.2)表示可能性,必要、责任、义务、禁止等.如:Her necklace ...