English verb conjugation COULD CLEAN CLEAN

Regular verb: clean clean - clean cleaned - clean cleaned

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I could clean clean
you could clean clean
she could clean clean
we could clean clean
you could clean clean
they could clean clean

V-ing form

I could be clean cleaning
you could be clean cleaning
she could be clean cleaning
we could be clean cleaning
you could be clean cleaning
they could be clean cleaning

Perfect

I could have clean cleaned
you could have clean cleaned
she could have clean cleaned
we could have clean cleaned
you could have clean cleaned
they could have clean cleaned

V-ing perfect

I could have been clean cleaning
you could have been clean cleaning
she could have been clean cleaning
we could have been clean cleaning
you could have been clean cleaning
they could have been clean cleaning

Negation

Simple form

I could not clean clean
you could not clean clean
she could not clean clean
we could not clean clean
you could not clean clean
they could not clean clean

V-ing form

I could not be clean cleaning
you could not be clean cleaning
she could not be clean cleaning
we could not be clean cleaning
you could not be clean cleaning
they could not be clean cleaning

Perfect

I could not have clean cleaned
you could not have clean cleaned
she could not have clean cleaned
we could not have clean cleaned
you could not have clean cleaned
they could not have clean cleaned

V-ing perfect

I could not have been clean cleaning
you could not have been clean cleaning
she could not have been clean cleaning
we could not have been clean cleaning
you could not have been clean cleaning
they could not have been clean cleaning

Interrogative form

Simple form

could I clean clean?
could you clean clean?
could she clean clean?
could we clean clean?
could you clean clean?
could they clean clean?

V-ing form

could I be clean cleaning?
could you be clean cleaning?
could she be clean cleaning?
could we be clean cleaning?
could you be clean cleaning?
could they be clean cleaning?

Perfect

could I have clean cleaned?
could you have clean cleaned?
could she have clean cleaned?
could we have clean cleaned?
could you have clean cleaned?
could they have clean cleaned?

V-ing perfect

could I have been clean cleaning?
could you have been clean cleaning?
could she have been clean cleaning?
could we have been clean cleaning?
could you have been clean cleaning?
could they have been clean cleaning?

Interro-negative form

Simple form

could I not clean clean?
could you not clean clean?
could she not clean clean?
could we not clean clean?
could you not clean clean?
could they not clean clean?

V-ing form

could I not be clean cleaning?
could you not be clean cleaning?
could she not be clean cleaning?
could we not be clean cleaning?
could you not be clean cleaning?
could they not be clean cleaning?

Perfect

could I not have clean cleaned?
could you not have clean cleaned?
could she not have clean cleaned?
could we not have clean cleaned?
could you not have clean cleaned?
could they not have clean cleaned?

V-ing perfect

could I not have been clean cleaning?
could you not have been clean cleaning?
could she not have been clean cleaning?
could we not have been clean cleaning?
could you not have been clean cleaning?
could they not have been clean cleaning?

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