英语中“飞机起飞了”是主动语态还是被动

英语中“飞机起飞了”是主动语态。

The plane took off.

飞机起飞了。

例句：

1. The plane took off. John would be flying to America.

飞机起飞了，约翰要飞往美国。

2. Two hours later, the plane took off.

两小时以后，飞机起飞了。