Hardly had the game begun when it started raining

原句.Hardly had the game begun when it started raining.

改写句子.使意思相同.It startd raning ___ ____ ___the game began.

The old man can't walk if he doesn't have a stick.

The old man___ walk ____a stick.

To catch the train ,i left at 6.00.

iI left at 6.00.___ ___ ___ ___ ___　catch the train.

it started raining while the game began

the old man can't walk without a stick

i left at 6:00 in order to catch the train