I base you base he bases we base you base they base
Present continuous
I am basing you are basing he is basing we are basing you are basing they are basing
Preterite
I based you based he based we based you based they based
Preterite continuous
I was basing you were basing he was basing we were basing you were basing they were basing
Present perfect
I have based you have based he has based we have based you have based they have based
Present perfect continuous
I have been basing you have been basing he has been basing we have been basing you have been basing they have been basing
Pluperfect
I had based you had based he had based we had based you had based they had based
Pluperfect continuous
I had been basing you had been basing he had been basing we had been basing you had been basing they had been basing
Future
I will base you will base he will base we will base you will base they will base
Future continuous
I will be basing you will be basing he will be basing we will be basing you will be basing they will be basing
Future perfect
I will have based you will have based he will have based we will have based you will have based they will have based
Future perfect continuous
I will have been basing you will have been basing he will have been basing we will have been basing you will have been basing they will have been basing
Conditional
Present
I would base you would base he would base we would base you would base they would base
Present continuous
I would be basing you would be basing he would be basing we would be basing you would be basing they would be basing
Past
I would have based you would have based he would have based we would have based you would have based they would have based
Past continuous
I would have been basing you would have been basing he would have been basing we would have been basing you would have been basing they would have been basing