如果天气允许，比赛将在下午3点开始。

The game starts at 3 pm, weather ___permitting.

如果时间允许，我们可以在回家的路上顺便去看看瑞安。

We could stop in to see Ryan on the way home, if time ___permits.

只要天气允许，游泳池就可以供所有人使用。

The swimming pool can be enjoyed by everyone as long as the weather ___permits.