Present
I countercheck
you countercheck
he counterchecks
we countercheck
you countercheck
they countercheck

Perfect
I have counterchecked
you have counterchecked
he has counterchecked
we have counterchecked
you have counterchecked
they have counterchecked

Past
I counterchecked
you counterchecked
he counterchecked
we counterchecked
you counterchecked
they counterchecked

Pluperfect
I had counterchecked
you had counterchecked
he had counterchecked
we had counterchecked
you had counterchecked
they had counterchecked

Future
I will countercheck
you will countercheck
he will countercheck
we will countercheck
you will countercheck
they will countercheck

Future perfect
I will have counterchecked
you will have counterchecked
he will have counterchecked
we will have counterchecked
you will have counterchecked
they will have counterchecked

Present
I countercheck
you countercheck
he countercheck
we countercheck
you countercheck
they countercheck

Present
I have counterchecked
you have counterchecked
he have counterchecked
we have counterchecked
you have counterchecked
they have counterchecked

Imperfect
I counterchecked
you counterchecked
he counterchecked
we counterchecked
you counterchecked
they counterchecked

Pluperfect
I had counterchecked
you had counterchecked
he had counterchecked
we had counterchecked
you had counterchecked
they had counterchecked

Present
I would countercheck
you would countercheck
he would countercheck
we would countercheck
you would countercheck
they would countercheck

Perfect
I would have counterchecked
you would have counterchecked
he would have counterchecked
we would have counterchecked
you would have counterchecked
they would have counterchecked

you countercheck
we Let's countercheck
you countercheck

Present
I am counterchecking
you are counterchecking
he is counterchecking
we are counterchecking
you are counterchecking
they are counterchecking

Perfect
I have been counterchecking
you have been counterchecking
he has been counterchecking
we have been counterchecking
you have been counterchecking
they have been counterchecking

Past
I was counterchecking
you were counterchecking
he was counterchecking
we were counterchecking
you were counterchecking
they were counterchecking

Pluperfect
I had been counterchecking
you had been counterchecking
he had been counterchecking
we had been counterchecking
you had been counterchecking
they had been counterchecking

Future
I will be counterchecking
you will be counterchecking
he will be counterchecking
we will be counterchecking
you will be counterchecking
they will be counterchecking

Future perfect
I will have been counterchecking
you will have been counterchecking
he will have been counterchecking
we will have been counterchecking
you will have been counterchecking
they will have been counterchecking

Present
I would be counterchecking
you would be counterchecking
he would be counterchecking
we would be counterchecking
you would be counterchecking
they would be counterchecking

Perfect
I would have been counterchecking
you would have been counterchecking
he would have been counterchecking
we would have been counterchecking
you would have been counterchecking
they would have been counterchecking