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 cannot duck
you cannot duck
he cannot duck
we cannot duck
you cannot duck
they cannot duck

V-ing form

I cannot be ducking
you cannot be ducking
he cannot be ducking
we cannot be ducking
you cannot be ducking
they cannot be ducking

Perfect

I cannot have ducked
you cannot have ducked
he cannot have ducked
we cannot have ducked
you cannot have ducked
they cannot have ducked

V-ing perfect

I cannot have been ducking
you cannot have been ducking
he cannot have been ducking
we cannot have been ducking
you cannot have been ducking
they cannot 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 I not duck?
can you not duck?
can he not duck?
can we not duck?
can you not duck?
can they not duck?

V-ing form

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

Perfect

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

V-ing perfect

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

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