It (rain)hard.You"d better (not go)out.
问题描述：
It (rain)hard.You"d better (not go)out.
答
It Rained hard
答
雨很大，你最好别出去
答
It(rains) hard.You'd better(not go)out.
外面雨很大，你最好别出去。
这里应该用一般时。如果用过去式，那么昨天下雨下很大，现在出门也没事呀。
you’d better do sth 和you’d better not do是固定的句式。
答
它（雨）很大。你最好（别）出去了。
答
I ( is ) ( raining) hard.You'd better ( not go ) out.
had better not do sth.最好别做某事
翻译：外面雨下得很大,你最好别出去.