English verb conjugation COULD DECOLORIZE

Regular verb: decolorize - decolorized - decolorized

Affirmation

Simple form

I could decolorize
you could decolorize
he could decolorize
we could decolorize
you could decolorize
they could decolorize

V-ing form

I could be decolorizing
you could be decolorizing
he could be decolorizing
we could be decolorizing
you could be decolorizing
they could be decolorizing

Perfect

I could have decolorized
you could have decolorized
he could have decolorized
we could have decolorized
you could have decolorized
they could have decolorized

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I decolorize?
could you decolorize?
could he decolorize?
could we decolorize?
could you decolorize?
could they decolorize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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