535　It's one's turn和It's one's turn to do sth.

1　It's one's turn 意为“轮到……了，该轮到……了”，one's可以是's所有格，也可以是形容词性物主代词。

It's your turn . 轮到你了。

It's our turn now. 该轮到我们了。

It's Tom's turn . 轮到汤姆了。

It's Team 1's turn . 轮到第1组了。

2　It's one's turn to do sth. 意为“轮到……做某事了”。

It's her turn to sing a song. 轮到她唱一首歌了。

It's Jim's turn to clean the blackboard. 该轮到吉姆擦黑板了。