English verb conjugation COULD WEATHERIZE

Regular verb: weatherize - weatherized - weatherized

Affirmation

Simple form

I could weatherize
you could weatherize
he could weatherize
we could weatherize
you could weatherize
they could weatherize

V-ing form

I could be weatherizing
you could be weatherizing
he could be weatherizing
we could be weatherizing
you could be weatherizing
they could be weatherizing

Perfect

I could have weatherized
you could have weatherized
he could have weatherized
we could have weatherized
you could have weatherized
they could have weatherized

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I weatherize?
could you weatherize?
could he weatherize?
could we weatherize?
could you weatherize?
could they weatherize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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