I liaise you liaise he liaises we liaise you liaise they liaise
Present continuous
I am liaising you are liaising he is liaising we are liaising you are liaising they are liaising
Preterite
I liaised you liaised he liaised we liaised you liaised they liaised
Preterite continuous
I was liaising you were liaising he was liaising we were liaising you were liaising they were liaising
Present perfect
I have liaised you have liaised he has liaised we have liaised you have liaised they have liaised
Present perfect continuous
I have been liaising you have been liaising he has been liaising we have been liaising you have been liaising they have been liaising
Pluperfect
I had liaised you had liaised he had liaised we had liaised you had liaised they had liaised
Pluperfect continuous
I had been liaising you had been liaising he had been liaising we had been liaising you had been liaising they had been liaising
Future
I will liaise you will liaise he will liaise we will liaise you will liaise they will liaise
Future continuous
I will be liaising you will be liaising he will be liaising we will be liaising you will be liaising they will be liaising
Future perfect
I will have liaised you will have liaised he will have liaised we will have liaised you will have liaised they will have liaised
Future perfect continuous
I will have been liaising you will have been liaising he will have been liaising we will have been liaising you will have been liaising they will have been liaising
Conditional
Present
I would liaise you would liaise he would liaise we would liaise you would liaise they would liaise
Present continuous
I would be liaising you would be liaising he would be liaising we would be liaising you would be liaising they would be liaising
Past
I would have liaised you would have liaised he would have liaised we would have liaised you would have liaised they would have liaised
Past continuous
I would have been liaising you would have been liaising he would have been liaising we would have been liaising you would have been liaising they would have been liaising