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。
