English verb conjugation CAN DUCK

Regular verb: duck - ducked - ducked

Affirmation

Simple form

I can duck
you can duck
he can duck
we can duck
you can duck
they can duck

V-ing form

I can be ducking
you can be ducking
he can be ducking
we can be ducking
you can be ducking
they can be ducking

Perfect

I can have ducked
you can have ducked
he can have ducked
we can have ducked
you can have ducked
they can have ducked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I duck?
can you duck?
can he duck?
can we duck?
can you duck?
can they duck?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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