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
he 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
he 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
he 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
he 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 couldn't clean clean
you couldn't clean clean
he couldn't clean clean
we couldn't clean clean
you couldn't clean clean
they couldn't clean clean

V-ing form

I couldn't be clean cleaning
you couldn't be clean cleaning
he couldn't be clean cleaning
we couldn't be clean cleaning
you couldn't be clean cleaning
they couldn't be clean cleaning

Perfect

I couldn't have clean cleaned
you couldn't have clean cleaned
he couldn't have clean cleaned
we couldn't have clean cleaned
you couldn't have clean cleaned
they couldn't have clean cleaned

V-ing perfect

I couldn't have been clean cleaning
you couldn't have been clean cleaning
he couldn't have been clean cleaning
we couldn't have been clean cleaning
you couldn't have been clean cleaning
they couldn't have been clean cleaning

Interrogative form

Simple form

could I clean clean?
could you clean clean?
could he 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 he 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 he 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 he 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

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

V-ing form

couldn't I be clean cleaning?
couldn't you be clean cleaning?
couldn't he be clean cleaning?
couldn't we be clean cleaning?
couldn't you be clean cleaning?
couldn't they be clean cleaning?

Perfect

couldn't I have clean cleaned?
couldn't you have clean cleaned?
couldn't he have clean cleaned?
couldn't we have clean cleaned?
couldn't you have clean cleaned?
couldn't they have clean cleaned?

V-ing perfect

couldn't I have been clean cleaning?
couldn't you have been clean cleaning?
couldn't he have been clean cleaning?
couldn't we have been clean cleaning?
couldn't you have been clean cleaning?
couldn't they have been clean cleaning?

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