YOU SAID:

Sometimes rain sometimes doesn’t rain

INTO JAPANESE

時々雨は時々雨が降らない

BACK INTO ENGLISH

Sometimes it rains sometimes it doesn't rain

INTO JAPANESE

雨が降ることもあるし、雨が降らないこともある

BACK INTO ENGLISH

Sometimes it rains, sometimes it doesn't rain

INTO JAPANESE

雨が降ることもあれば、雨が降らないこともあります

BACK INTO ENGLISH

Sometimes it rains, sometimes it doesn't rain