English verb conjugation CAN LOCK

Regular verb: lock - locked - locked

Affirmation

Simple form

I can lock
you can lock
he can lock
we can lock
you can lock
they can lock

V-ing form

I can be locking
you can be locking
he can be locking
we can be locking
you can be locking
they can be locking

Perfect

I can have locked
you can have locked
he can have locked
we can have locked
you can have locked
they can have locked

V-ing perfect

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

Negation

Simple form

I cannot lock
you cannot lock
he cannot lock
we cannot lock
you cannot lock
they cannot lock

V-ing form

I cannot be locking
you cannot be locking
he cannot be locking
we cannot be locking
you cannot be locking
they cannot be locking

Perfect

I cannot have locked
you cannot have locked
he cannot have locked
we cannot have locked
you cannot have locked
they cannot have locked

V-ing perfect

I cannot have been locking
you cannot have been locking
he cannot have been locking
we cannot have been locking
you cannot have been locking
they cannot have been locking

Interrogative form

Simple form

can I lock?
can you lock?
can he lock?
can we lock?
can you lock?
can they lock?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can I not lock?
can you not lock?
can he not lock?
can we not lock?
can you not lock?
can they not lock?

V-ing form

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

Perfect

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

V-ing perfect

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

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