我知道在講過去的事要用過去式
但是有時候明明在敘述一件事實，為何也是用過去式？
就以下列的影片來說
https://www.facebook.com/nasdaily/videos/427429141600091/
0:47
There is a place in Greece with so many life vests that it "made" a mountain.
為什麼是用made而不是make?
0:50
Honestly, I thought this "was" fake news.
他以前在想的當下，他認為這是一個假新聞吧。但為何是用was？
1:24
And even something that "looked" like a human bone.
用過去式代表那個東西現在看起來不像人骨了嗎？
1:41
We did not know if this "belonged" to a human.
這個看起來不像是與過去事實相反的假設語氣
1:46
It "didn't" matter.
2:16
The vest mountain "was" not real.
2:31
Hello from the Greek Island of Lesbos. It "was" a beautiful place.
也不太可能現在就不漂亮了吧？
2:48
The vest mountain "was" real.
他都去驗證事實的為真，為何還是繼續用was？
2:57
Thousands of discarded life vests...Each one "came" from refugees.
然而
3:29
This gives you an idea of how terrible how situation "is".
這邊又變回原形