Then it is decided.这句话decided是decide的过去式,decide又是动词,则it后面怎么可以加S?

Then it is decided.这句话decided是decide的过去式,decide又是动词,则it后面怎么可以加S? Then what is it? then it is是什么意思 这句英语的意思“If you have decided to do so,then it would not regret it.”怎么翻译? If this is the sad fate in August ,then I believe it Why I have not decided to giv帮我翻译下,急用, it was nearly six o' clock,then they decided to go and have dinner tigether.意思 but then it started raining a little so we decided to take the No ___(far) discussion is necessary.We have decided it. ____ then,it was very late,she decided to take a taxi.a by b for c after d from You think it's a joke,then that it is. whose cap is it ,then?这句话是什么意思?it是什么意思,在这里指什么?为什么then要放在后面,而不是在前面?如果放在前面应该怎么说? They decided to go by plane because it is much faster.(句意不变）They decided to ( ) a ( ) because it is much faster. 脑筋急转弯when one doesn't know what is it,then it is something;but when one knows what is it ,then it is nothing (不好意思啊） It is more then just a dream come true麻烦 It is better to have loved and lost then never Then let is do it next time.翻译 then how far is it from your home 英语翻译Anticipated demand quantity Dt,t-1 on a day t is decided on the previous day (t - l),and small changes in production rate are then determined by monitoring day it’s order quantity 0,.This quantity 0,is fixed by the K-company head office