English verb conjugation COULD ATTENUATE

Regular verb: attenuate - attenuated - attenuated

Affirmation

Simple form

I could attenuate
you could attenuate
he could attenuate
we could attenuate
you could attenuate
they could attenuate

V-ing form

I could be attenuating
you could be attenuating
he could be attenuating
we could be attenuating
you could be attenuating
they could be attenuating

Perfect

I could have attenuated
you could have attenuated
he could have attenuated
we could have attenuated
you could have attenuated
they could have attenuated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I attenuate?
could you attenuate?
could he attenuate?
could we attenuate?
could you attenuate?
could they attenuate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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