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 cannot tree
you cannot tree
he cannot tree
we cannot tree
you cannot tree
they cannot tree

V-ing form

I cannot be treeing
you cannot be treeing
he cannot be treeing
we cannot be treeing
you cannot be treeing
they cannot be treeing

Perfect

I cannot have treed
you cannot have treed
he cannot have treed
we cannot have treed
you cannot have treed
they cannot have treed

V-ing perfect

I cannot have been treeing
you cannot have been treeing
he cannot have been treeing
we cannot have been treeing
you cannot have been treeing
they cannot 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 I not tree?
can you not tree?
can he not tree?
can we not tree?
can you not tree?
can they not tree?

V-ing form

can I not be treeing?
can you not be treeing?
can he not be treeing?
can we not be treeing?
can you not be treeing?
can they not be treeing?

Perfect

can I not have treed?
can you not have treed?
can he not have treed?
can we not have treed?
can you not have treed?
can they not have treed?

V-ing perfect

can I not have been treeing?
can you not have been treeing?
can he not have been treeing?
can we not have been treeing?
can you not have been treeing?
can they not have been treeing?

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