I retard you retard he retards we retard you retard they retard
Present continuous
I am retarding you are retarding he is retarding we are retarding you are retarding they are retarding
Preterite
I retarded you retarded he retarded we retarded you retarded they retarded
Preterite continuous
I was retarding you were retarding he was retarding we were retarding you were retarding they were retarding
Present perfect
I have retarded you have retarded he has retarded we have retarded you have retarded they have retarded
Present perfect continuous
I have been retarding you have been retarding he has been retarding we have been retarding you have been retarding they have been retarding
Pluperfect
I had retarded you had retarded he had retarded we had retarded you had retarded they had retarded
Pluperfect continuous
I had been retarding you had been retarding he had been retarding we had been retarding you had been retarding they had been retarding
Future
I will retard you will retard he will retard we will retard you will retard they will retard
Future continuous
I will be retarding you will be retarding he will be retarding we will be retarding you will be retarding they will be retarding
Future perfect
I will have retarded you will have retarded he will have retarded we will have retarded you will have retarded they will have retarded
Future perfect continuous
I will have been retarding you will have been retarding he will have been retarding we will have been retarding you will have been retarding they will have been retarding
Conditional
Present
I would retard you would retard he would retard we would retard you would retard they would retard
Present continuous
I would be retarding you would be retarding he would be retarding we would be retarding you would be retarding they would be retarding
Past
I would have retarded you would have retarded he would have retarded we would have retarded you would have retarded they would have retarded
Past continuous
I would have been retarding you would have been retarding he would have been retarding we would have been retarding you would have been retarding they would have been retarding