YOU SAID:

If Nancy doesn't wake up screaming she won't wake up at all.

INTO JAPANESE

ナンシーが叫びながら起きなければ、まったく目を覚まさないでしょう。

BACK INTO ENGLISH

If Nancy didn't wake up screaming, she wouldn't wake up at all.

INTO JAPANESE

ナンシーが叫びながら目を覚まさなかったら、彼女はまったく目を覚まさなかっただろう。

BACK INTO ENGLISH

If Nancy hadn't woken up screaming, she wouldn't have woken up at all.

INTO JAPANESE

ナンシーが叫びながら目を覚まさなかったら、彼女はまったく目を覚まさなかったでしょう。

BACK INTO ENGLISH

If Nancy hadn't woken up screaming, she wouldn't have woken up at all.