English verb conjugation CAN LUMBER

Regular verb: lumber - lumbered - lumbered

Affirmation

Simple form

I can lumber
you can lumber
he can lumber
we can lumber
you can lumber
they can lumber

V-ing form

I can be lumbering
you can be lumbering
he can be lumbering
we can be lumbering
you can be lumbering
they can be lumbering

Perfect

I can have lumbered
you can have lumbered
he can have lumbered
we can have lumbered
you can have lumbered
they can have lumbered

V-ing perfect

I can have been lumbering
you can have been lumbering
he can have been lumbering
we can have been lumbering
you can have been lumbering
they can have been lumbering

Negation

Simple form

I can't lumber
you can't lumber
he can't lumber
we can't lumber
you can't lumber
they can't lumber

V-ing form

I can't be lumbering
you can't be lumbering
he can't be lumbering
we can't be lumbering
you can't be lumbering
they can't be lumbering

Perfect

I can't have lumbered
you can't have lumbered
he can't have lumbered
we can't have lumbered
you can't have lumbered
they can't have lumbered

V-ing perfect

I can't have been lumbering
you can't have been lumbering
he can't have been lumbering
we can't have been lumbering
you can't have been lumbering
they can't have been lumbering

Interrogative form

Simple form

can I lumber?
can you lumber?
can he lumber?
can we lumber?
can you lumber?
can they lumber?

V-ing form

can I be lumbering?
can you be lumbering?
can he be lumbering?
can we be lumbering?
can you be lumbering?
can they be lumbering?

Perfect

can I have lumbered?
can you have lumbered?
can he have lumbered?
can we have lumbered?
can you have lumbered?
can they have lumbered?

V-ing perfect

can I have been lumbering?
can you have been lumbering?
can he have been lumbering?
can we have been lumbering?
can you have been lumbering?
can they have been lumbering?

Interro-negative form

Simple form

can't I lumber?
can't you lumber?
can't he lumber?
can't we lumber?
can't you lumber?
can't they lumber?

V-ing form

can't I be lumbering?
can't you be lumbering?
can't he be lumbering?
can't we be lumbering?
can't you be lumbering?
can't they be lumbering?

Perfect

can't I have lumbered?
can't you have lumbered?
can't he have lumbered?
can't we have lumbered?
can't you have lumbered?
can't they have lumbered?

V-ing perfect

can't I have been lumbering?
can't you have been lumbering?
can't he have been lumbering?
can't we have been lumbering?
can't you have been lumbering?
can't they have been lumbering?

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