I gridiron you gridiron he gridirons we gridiron you gridiron they gridiron
Present continuous
I am gridironing you are gridironing he is gridironing we are gridironing you are gridironing they are gridironing
Preterite
I gridironed you gridironed he gridironed we gridironed you gridironed they gridironed
Preterite continuous
I was gridironing you were gridironing he was gridironing we were gridironing you were gridironing they were gridironing
Present perfect
I have gridironed you have gridironed he has gridironed we have gridironed you have gridironed they have gridironed
Present perfect continuous
I have been gridironing you have been gridironing he has been gridironing we have been gridironing you have been gridironing they have been gridironing
Pluperfect
I had gridironed you had gridironed he had gridironed we had gridironed you had gridironed they had gridironed
Pluperfect continuous
I had been gridironing you had been gridironing he had been gridironing we had been gridironing you had been gridironing they had been gridironing
Future
I will gridiron you will gridiron he will gridiron we will gridiron you will gridiron they will gridiron
Future continuous
I will be gridironing you will be gridironing he will be gridironing we will be gridironing you will be gridironing they will be gridironing
Future perfect
I will have gridironed you will have gridironed he will have gridironed we will have gridironed you will have gridironed they will have gridironed
Future perfect continuous
I will have been gridironing you will have been gridironing he will have been gridironing we will have been gridironing you will have been gridironing they will have been gridironing
Conditional
Present
I would gridiron you would gridiron he would gridiron we would gridiron you would gridiron they would gridiron
Present continuous
I would be gridironing you would be gridironing he would be gridironing we would be gridironing you would be gridironing they would be gridironing
Past
I would have gridironed you would have gridironed he would have gridironed we would have gridironed you would have gridironed they would have gridironed
Past continuous
I would have been gridironing you would have been gridironing he would have been gridironing we would have been gridironing you would have been gridironing they would have been gridironing