English verb conjugation CAN TREE

Regular verb: tree - treed - treed

Affirmation

Simple form

I can tree
you can tree
he can tree
we can tree
you can tree
they can tree

V-ing form

I can be treeing
you can be treeing
he can be treeing
we can be treeing
you can be treeing
they can be treeing

Perfect

I can have treed
you can have treed
he can have treed
we can have treed
you can have treed
they can have treed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I tree?
can you tree?
can he tree?
can we tree?
can you tree?
can they tree?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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