YOU SAID:

no sooner had they started the walk than it started to rain.

INTO JAPANESE

雨が降り始めるとすぐに彼らは散歩を始めた。

BACK INTO ENGLISH

As soon as it started to rain, they started taking a walk.

INTO JAPANESE

雨が降り始めるとすぐに、彼らは散歩を始めました。

BACK INTO ENGLISH

As soon as it started to rain, they started a walk.

INTO JAPANESE

雨が降り始めるとすぐに、彼らは散歩を始めました。

BACK INTO ENGLISH

As soon as it started to rain, they started a walk.