词汇·语法

不定式的各种形式和含义

1. He is said to make a plane. 据说他要造一架飞机。
→A plane is said to be made by him. 据说一架飞机要被他做出来。

to make表示“要做”,to be made表示“要被做”。

2. He is said to have made a plane. 据说他造了一架飞机。
→A plane is said to have been made by him. 据说一架飞机已经被他做出来了。

to have made表示“已做”,to have been made表示“已被做”。

3. He is said to be making a plane. 据说他在造一架飞机。

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