we have worked here.和we had worked here.有什么区别?

we have our meals here.去掉our 有什么区别? I HAD WORKED HERE FOR 3 YEARS have worked 和 have been working有什么区别 13.- How long have you worked here? I have worked here for 2 years.和I have been working here for Here we go There we go 有什么区别吗 I have worked 和 I had worked 各自的意思 The factory _____ we once worked is not far from here . she said we would have to stay here和she said we had to stay we had to 与we have to有什么区别 we have worked there since the factory opened.为什么不是had i have worked here since i moved to this city