English verb conjugation COULD PRECLEAN

Regular verb: preclean - precleaned - precleaned

Affirmation

Simple form

I could preclean
you could preclean
he could preclean
we could preclean
you could preclean
they could preclean

V-ing form

I could be precleaning
you could be precleaning
he could be precleaning
we could be precleaning
you could be precleaning
they could be precleaning

Perfect

I could have precleaned
you could have precleaned
he could have precleaned
we could have precleaned
you could have precleaned
they could have precleaned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I preclean?
could you preclean?
could he preclean?
could we preclean?
could you preclean?
could they preclean?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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