YOU SAID:

yesterday, was a very fine day

INTO JAPANESE

昨日、天気のいい日

BACK INTO ENGLISH

Yesterday, the weather is good,

INTO JAPANESE

昨日は、天気がよければ、

BACK INTO ENGLISH

Yesterday, if the weather is good,

INTO JAPANESE

昨日、天気が良いなら、

BACK INTO ENGLISH

Yesterday, if the weather is nice,

INTO JAPANESE

昨日、天気が良いなら、

BACK INTO ENGLISH

Yesterday, if the weather is nice,