YOU SAID:
I wonder how long it will take them to discover a time machine and teach us how to use it.
INTO JAPANESE
タイムマシンを発見して使い方を教えてくれるのにどれくらい時間がかかるのだろう。
BACK INTO ENGLISH
How long will it take to discover the time machine and teach me how to use it?
INTO JAPANESE
タイムマシンを発見して使い方を教えるのにどれくらい時間がかかりますか？
BACK INTO ENGLISH
How long does it take to discover the time machine and teach how to use it?
INTO JAPANESE
タイムマシンを発見して使い方を教えるのにどれくらい時間がかかりますか？
BACK INTO ENGLISH
How long does it take to discover the time machine and teach how to use it?
You've done this before, haven't you.
