Present
I cub
you cub
he cubs
we cub
you cub
they cub

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

Past
I cubed
you cubed
he cubed
we cubed
you cubed
they cubed

Pluperfect
I had cubed
you had cubed
he had cubed
we had cubed
you had cubed
they had cubed

Future
I will cub
you will cub
he will cub
we will cub
you will cub
they will cub

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

Present
I cub
you cub
he cub
we cub
you cub
they cub

Present
I have cubed
you have cubed
he have cubed
we have cubed
you have cubed
they have cubed

Imperfect
I cubed
you cubed
he cubed
we cubed
you cubed
they cubed

Pluperfect
I had cubed
you had cubed
he had cubed
we had cubed
you had cubed
they had cubed

Present
I would cub
you would cub
he would cub
we would cub
you would cub
they would cub

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

you cub
we Let's cub
you cub

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

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

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

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

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

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

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

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