English verb conjugation COULD UNCLOG

Regular verb: unclog - unclogged - unclogged

Affirmation

Simple form

I could unclog
you could unclog
he could unclog
we could unclog
you could unclog
they could unclog

V-ing form

I could be unclogging
you could be unclogging
he could be unclogging
we could be unclogging
you could be unclogging
they could be unclogging

Perfect

I could have unclogged
you could have unclogged
he could have unclogged
we could have unclogged
you could have unclogged
they could have unclogged

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I unclog?
could you unclog?
could he unclog?
could we unclog?
could you unclog?
could they unclog?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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