I bill you bill she bills we bill you bill they bill
Present continuous
I am billing you are billing she is billing we are billing you are billing they are billing
Preterite
I billed you billed she billed we billed you billed they billed
Preterite continuous
I was billing you were billing she was billing we were billing you were billing they were billing
Present perfect
I have billed you have billed she has billed we have billed you have billed they have billed
Present perfect continuous
I have been billing you have been billing she has been billing we have been billing you have been billing they have been billing
Pluperfect
I had billed you had billed she had billed we had billed you had billed they had billed
Pluperfect continuous
I had been billing you had been billing she had been billing we had been billing you had been billing they had been billing
Future
I will bill you will bill she will bill we will bill you will bill they will bill
Future continuous
I will be billing you will be billing she will be billing we will be billing you will be billing they will be billing
Future perfect
I will have billed you will have billed she will have billed we will have billed you will have billed they will have billed
Future perfect continuous
I will have been billing you will have been billing she will have been billing we will have been billing you will have been billing they will have been billing
Conditional
Present
I would bill you would bill she would bill we would bill you would bill they would bill
Present continuous
I would be billing you would be billing she would be billing we would be billing you would be billing they would be billing
Past
I would have billed you would have billed she would have billed we would have billed you would have billed they would have billed
Past continuous
I would have been billing you would have been billing she would have been billing we would have been billing you would have been billing they would have been billing