English verb conjugation CAN COUNTERCHECK

Regular verb: countercheck - counterchecked - counterchecked

Affirmation

Simple form

I can countercheck
you can countercheck
he can countercheck
we can countercheck
you can countercheck
they can countercheck

V-ing form

I can be counterchecking
you can be counterchecking
he can be counterchecking
we can be counterchecking
you can be counterchecking
they can be counterchecking

Perfect

I can have counterchecked
you can have counterchecked
he can have counterchecked
we can have counterchecked
you can have counterchecked
they can have counterchecked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I countercheck?
can you countercheck?
can he countercheck?
can we countercheck?
can you countercheck?
can they countercheck?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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