Present
I lumber
you lumber
he lumbers
we lumber
you lumber
they lumber

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

Past
I lumbered
you lumbered
he lumbered
we lumbered
you lumbered
they lumbered

Pluperfect
I had lumbered
you had lumbered
he had lumbered
we had lumbered
you had lumbered
they had lumbered

Future
I will lumber
you will lumber
he will lumber
we will lumber
you will lumber
they will lumber

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

Present
I lumber
you lumber
he lumber
we lumber
you lumber
they lumber

Present
I have lumbered
you have lumbered
he have lumbered
we have lumbered
you have lumbered
they have lumbered

Imperfect
I lumbered
you lumbered
he lumbered
we lumbered
you lumbered
they lumbered

Pluperfect
I had lumbered
you had lumbered
he had lumbered
we had lumbered
you had lumbered
they had lumbered

Present
I would lumber
you would lumber
he would lumber
we would lumber
you would lumber
they would lumber

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

you lumber
we Let's lumber
you lumber

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

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

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

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

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

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

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

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