English verb conjugation COULD COUNTERMINE

Regular verb: countermine - countermined - countermined

Affirmation

Simple form

I could countermine
you could countermine
he could countermine
we could countermine
you could countermine
they could countermine

V-ing form

I could be countermining
you could be countermining
he could be countermining
we could be countermining
you could be countermining
they could be countermining

Perfect

I could have countermined
you could have countermined
he could have countermined
we could have countermined
you could have countermined
they could have countermined

V-ing perfect

I could have been countermining
you could have been countermining
he could have been countermining
we could have been countermining
you could have been countermining
they could have been countermining

Negation

Simple form

I couldn't countermine
you couldn't countermine
he couldn't countermine
we couldn't countermine
you couldn't countermine
they couldn't countermine

V-ing form

I couldn't be countermining
you couldn't be countermining
he couldn't be countermining
we couldn't be countermining
you couldn't be countermining
they couldn't be countermining

Perfect

I couldn't have countermined
you couldn't have countermined
he couldn't have countermined
we couldn't have countermined
you couldn't have countermined
they couldn't have countermined

V-ing perfect

I couldn't have been countermining
you couldn't have been countermining
he couldn't have been countermining
we couldn't have been countermining
you couldn't have been countermining
they couldn't have been countermining

Interrogative form

Simple form

could I countermine?
could you countermine?
could he countermine?
could we countermine?
could you countermine?
could they countermine?

V-ing form

could I be countermining?
could you be countermining?
could he be countermining?
could we be countermining?
could you be countermining?
could they be countermining?

Perfect

could I have countermined?
could you have countermined?
could he have countermined?
could we have countermined?
could you have countermined?
could they have countermined?

V-ing perfect

could I have been countermining?
could you have been countermining?
could he have been countermining?
could we have been countermining?
could you have been countermining?
could they have been countermining?

Interro-negative form

Simple form

couldn't I countermine?
couldn't you countermine?
couldn't he countermine?
couldn't we countermine?
couldn't you countermine?
couldn't they countermine?

V-ing form

couldn't I be countermining?
couldn't you be countermining?
couldn't he be countermining?
couldn't we be countermining?
couldn't you be countermining?
couldn't they be countermining?

Perfect

couldn't I have countermined?
couldn't you have countermined?
couldn't he have countermined?
couldn't we have countermined?
couldn't you have countermined?
couldn't they have countermined?

V-ing perfect

couldn't I have been countermining?
couldn't you have been countermining?
couldn't he have been countermining?
couldn't we have been countermining?
couldn't you have been countermining?
couldn't they have been countermining?

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