English verb conjugation CAN TUMBLE

Regular verb: tumble - tumbled - tumbled

Affirmation

Simple form

I can tumble
you can tumble
he can tumble
we can tumble
you can tumble
they can tumble

V-ing form

I can be tumbling
you can be tumbling
he can be tumbling
we can be tumbling
you can be tumbling
they can be tumbling

Perfect

I can have tumbled
you can have tumbled
he can have tumbled
we can have tumbled
you can have tumbled
they can have tumbled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I tumble?
can you tumble?
can he tumble?
can we tumble?
can you tumble?
can they tumble?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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