for a long time 的時(shí)態(tài)搭配
for 介詞引導(dǎo)的時(shí)間狀語(yǔ)常搭配完成時(shí)態(tài)或過(guò)去時(shí)態(tài),請(qǐng)幫忙詳細(xì)解釋一下以下各句中的的時(shí)態(tài)使用的要求.
1.---Did Alan enjoy seeing his old friend yesterday?
--- Yes,he did.He hadn't seen his old friends for a long time.
2.I worked in a foreign trde company for five years.Still,I don't regret having given up the well-paid post.