from then 与 since that time 有什么区别
问题描述：
from then 与 since that time 有什么区别
答
that是那个的意思，是代词。而then是然后的意思，是介词。
答
since then一般用于现在完成时 eg:Since then,they haven't got on well each other.
from then on一般用于过去时和完成时。
答
from then onsince then1.中文意思略有不同from then on 从那时起since then 从那时起一直到现在2.谓语时态不同from then on 谓语用过去时since then 谓语用现在完成时.3.例句From then on I made up my mind to wor...