I have 3 days free.
我有3天的空闲时间。
Note: 句中的free 意思是“空闲的,有空的,有时间的”。
Scene 1
A:I’m going to Zhuhai this weekend.
这个周末我准备去珠海。
B:How long will you be there?
你要呆多久?
A:I have 5 days free.
我有五天时间。
B:Well, have a good trip.
祝你旅途愉快。
Scene 2
A:I have 2 days free.
我有两天的空闲。
B:What would you like to do during those 2 days?
这两天你打算干啥?
A:I’d like to play computer games.
我想玩电脑游戏。