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 cannot countercheck
you cannot countercheck
he cannot countercheck
we cannot countercheck
you cannot countercheck
they cannot countercheck

V-ing form

I cannot be counterchecking
you cannot be counterchecking
he cannot be counterchecking
we cannot be counterchecking
you cannot be counterchecking
they cannot be counterchecking

Perfect

I cannot have counterchecked
you cannot have counterchecked
he cannot have counterchecked
we cannot have counterchecked
you cannot have counterchecked
they cannot have counterchecked

V-ing perfect

I cannot have been counterchecking
you cannot have been counterchecking
he cannot have been counterchecking
we cannot have been counterchecking
you cannot have been counterchecking
they cannot 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 I not countercheck?
can you not countercheck?
can he not countercheck?
can we not countercheck?
can you not countercheck?
can they not countercheck?

V-ing form

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

Perfect

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

V-ing perfect

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

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