I biff you biff she biffs we biff you biff they biff
Present continuous
I am biffing you are biffing she is biffing we are biffing you are biffing they are biffing
Preterite
I biffed you biffed she biffed we biffed you biffed they biffed
Preterite continuous
I was biffing you were biffing she was biffing we were biffing you were biffing they were biffing
Present perfect
I have biffed you have biffed she has biffed we have biffed you have biffed they have biffed
Present perfect continuous
I have been biffing you have been biffing she has been biffing we have been biffing you have been biffing they have been biffing
Pluperfect
I had biffed you had biffed she had biffed we had biffed you had biffed they had biffed
Pluperfect continuous
I had been biffing you had been biffing she had been biffing we had been biffing you had been biffing they had been biffing
Future
I will biff you will biff she will biff we will biff you will biff they will biff
Future continuous
I will be biffing you will be biffing she will be biffing we will be biffing you will be biffing they will be biffing
Future perfect
I will have biffed you will have biffed she will have biffed we will have biffed you will have biffed they will have biffed
Future perfect continuous
I will have been biffing you will have been biffing she will have been biffing we will have been biffing you will have been biffing they will have been biffing
Conditional
Present
I would biff you would biff she would biff we would biff you would biff they would biff
Present continuous
I would be biffing you would be biffing she would be biffing we would be biffing you would be biffing they would be biffing
Past
I would have biffed you would have biffed she would have biffed we would have biffed you would have biffed they would have biffed
Past continuous
I would have been biffing you would have been biffing she would have been biffing we would have been biffing you would have been biffing they would have been biffing