YOU SAID:
if aliens came on earth they would know what humans go through
INTO JAPANESE
エイリアンが地球に来た場合、彼らは人間が何を経験するかを知っているでしょう
BACK INTO ENGLISH
If aliens come to Earth, they will know what humans will experience
INTO JAPANESE
エイリアンが地球に来ると、彼らは人間が何を経験するかを知るでしょう
BACK INTO ENGLISH
When aliens come to Earth, they will know what humans will experience
INTO JAPANESE
エイリアンが地球に来るとき、彼らは人間が何を経験するかを知っています
BACK INTO ENGLISH
When aliens come to Earth, they know what humans experience
INTO JAPANESE
エイリアンが地球に来るとき、彼らは人間が何を経験するかを知っています
BACK INTO ENGLISH
When aliens come to Earth, they know what humans experience
You should move to Japan!