English verb conjugation COULD CLOG

Regular verb: clog - clogged - clogged

Affirmation

Simple form

I could clog
you could clog
he could clog
we could clog
you could clog
they could clog

V-ing form

I could be clogging
you could be clogging
he could be clogging
we could be clogging
you could be clogging
they could be clogging

Perfect

I could have clogged
you could have clogged
he could have clogged
we could have clogged
you could have clogged
they could have clogged

V-ing perfect

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

Negation

Simple form

I could not clog
you could not clog
he could not clog
we could not clog
you could not clog
they could not clog

V-ing form

I could not be clogging
you could not be clogging
he could not be clogging
we could not be clogging
you could not be clogging
they could not be clogging

Perfect

I could not have clogged
you could not have clogged
he could not have clogged
we could not have clogged
you could not have clogged
they could not have clogged

V-ing perfect

I could not have been clogging
you could not have been clogging
he could not have been clogging
we could not have been clogging
you could not have been clogging
they could not have been clogging

Interrogative form

Simple form

could I clog?
could you clog?
could he clog?
could we clog?
could you clog?
could they clog?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not clog?
could you not clog?
could he not clog?
could we not clog?
could you not clog?
could they not clog?

V-ing form

could I not be clogging?
could you not be clogging?
could he not be clogging?
could we not be clogging?
could you not be clogging?
could they not be clogging?

Perfect

could I not have clogged?
could you not have clogged?
could he not have clogged?
could we not have clogged?
could you not have clogged?
could they not have clogged?

V-ing perfect

could I not have been clogging?
could you not have been clogging?
could he not have been clogging?
could we not have been clogging?
could you not have been clogging?
could they not have been clogging?

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