YOU SAID:

When the birds fly before snow goes south for the winter and summer?

INTO JAPANESE

冬から夏にかけて雪が南下する前に鳥が飛ぶのはいつでしょうか？

BACK INTO ENGLISH

When do birds fly before the snow moves south from winter to summer?

INTO JAPANESE

雪が冬から夏に南下する前に、鳥はいつ飛ぶのでしょうか?

BACK INTO ENGLISH

When will the birds fly before the snow moves south from winter to summer?

INTO JAPANESE

雪が冬から夏に南下する前に鳥はいつ飛ぶのでしょうか？

BACK INTO ENGLISH

When will the birds fly before the snow moves south from winter to summer?