以ie结尾，去ie变y+ing；

例：die--dying；lie--lying；tie(打结、系上)--tying。

扩展资料

He is tying a horse to a tree.

他正在把马拴到树上。

The poor man is dying.

这个可怜人准备断气了。

He is lying on the bed.

他正躺在床上。

He is lying about his absence from the meeting.

他正在对他缺席会议撒谎。