I collaborate you collaborate he collaborates we collaborate you collaborate they collaborate
Present continuous
I am collaborating you are collaborating he is collaborating we are collaborating you are collaborating they are collaborating
Preterite
I collaborated you collaborated he collaborated we collaborated you collaborated they collaborated
Preterite continuous
I was collaborating you were collaborating he was collaborating we were collaborating you were collaborating they were collaborating
Present perfect
I have collaborated you have collaborated he has collaborated we have collaborated you have collaborated they have collaborated
Present perfect continuous
I have been collaborating you have been collaborating he has been collaborating we have been collaborating you have been collaborating they have been collaborating
Pluperfect
I had collaborated you had collaborated he had collaborated we had collaborated you had collaborated they had collaborated
Pluperfect continuous
I had been collaborating you had been collaborating he had been collaborating we had been collaborating you had been collaborating they had been collaborating
Future
I will collaborate you will collaborate he will collaborate we will collaborate you will collaborate they will collaborate
Future continuous
I will be collaborating you will be collaborating he will be collaborating we will be collaborating you will be collaborating they will be collaborating
Future perfect
I will have collaborated you will have collaborated he will have collaborated we will have collaborated you will have collaborated they will have collaborated
Future perfect continuous
I will have been collaborating you will have been collaborating he will have been collaborating we will have been collaborating you will have been collaborating they will have been collaborating
Conditional
Present
I would collaborate you would collaborate he would collaborate we would collaborate you would collaborate they would collaborate
Present continuous
I would be collaborating you would be collaborating he would be collaborating we would be collaborating you would be collaborating they would be collaborating
Past
I would have collaborated you would have collaborated he would have collaborated we would have collaborated you would have collaborated they would have collaborated
Past continuous
I would have been collaborating you would have been collaborating he would have been collaborating we would have been collaborating you would have been collaborating they would have been collaborating