Present
I retain
you retain
he retains
we retain
you retain
they retain

Perfect
I have retained
you have retained
he has retained
we have retained
you have retained
they have retained

Past
I retained
you retained
he retained
we retained
you retained
they retained

Pluperfect
I had retained
you had retained
he had retained
we had retained
you had retained
they had retained

Future
I will retain
you will retain
he will retain
we will retain
you will retain
they will retain

Future perfect
I will have retained
you will have retained
he will have retained
we will have retained
you will have retained
they will have retained

Present
I retain
you retain
he retain
we retain
you retain
they retain

Present
I have retained
you have retained
he have retained
we have retained
you have retained
they have retained

Imperfect
I retained
you retained
he retained
we retained
you retained
they retained

Pluperfect
I had retained
you had retained
he had retained
we had retained
you had retained
they had retained

Present
I would retain
you would retain
he would retain
we would retain
you would retain
they would retain

Perfect
I would have retained
you would have retained
he would have retained
we would have retained
you would have retained
they would have retained

you retain
we Let's retain
you retain

Present
I am retaining
you are retaining
he is retaining
we are retaining
you are retaining
they are retaining

Perfect
I have been retaining
you have been retaining
he has been retaining
we have been retaining
you have been retaining
they have been retaining

Past
I was retaining
you were retaining
he was retaining
we were retaining
you were retaining
they were retaining

Pluperfect
I had been retaining
you had been retaining
he had been retaining
we had been retaining
you had been retaining
they had been retaining

Future
I will be retaining
you will be retaining
he will be retaining
we will be retaining
you will be retaining
they will be retaining

Future perfect
I will have been retaining
you will have been retaining
he will have been retaining
we will have been retaining
you will have been retaining
they will have been retaining

Present
I would be retaining
you would be retaining
he would be retaining
we would be retaining
you would be retaining
they would be retaining

Perfect
I would have been retaining
you would have been retaining
he would have been retaining
we would have been retaining
you would have been retaining
they would have been retaining