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 couldn't clog
you couldn't clog
he couldn't clog
we couldn't clog
you couldn't clog
they couldn't clog

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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