I combine you combine he combines we combine you combine they combine
Present continuous
I am combining you are combining he is combining we are combining you are combining they are combining
Preterite
I combined you combined he combined we combined you combined they combined
Preterite continuous
I was combining you were combining he was combining we were combining you were combining they were combining
Present perfect
I have combined you have combined he has combined we have combined you have combined they have combined
Present perfect continuous
I have been combining you have been combining he has been combining we have been combining you have been combining they have been combining
Pluperfect
I had combined you had combined he had combined we had combined you had combined they had combined
Pluperfect continuous
I had been combining you had been combining he had been combining we had been combining you had been combining they had been combining
Future
I will combine you will combine he will combine we will combine you will combine they will combine
Future continuous
I will be combining you will be combining he will be combining we will be combining you will be combining they will be combining
Future perfect
I will have combined you will have combined he will have combined we will have combined you will have combined they will have combined
Future perfect continuous
I will have been combining you will have been combining he will have been combining we will have been combining you will have been combining they will have been combining
Conditional
Present
I would combine you would combine he would combine we would combine you would combine they would combine
Present continuous
I would be combining you would be combining he would be combining we would be combining you would be combining they would be combining
Past
I would have combined you would have combined he would have combined we would have combined you would have combined they would have combined
Past continuous
I would have been combining you would have been combining he would have been combining we would have been combining you would have been combining they would have been combining