English verb conjugation COULD TRANQUILLIZE

Regular verb: tranquillize - tranquillized - tranquillized

Affirmation

Simple form

I could tranquillize
you could tranquillize
she could tranquillize
we could tranquillize
you could tranquillize
they could tranquillize

V-ing form

I could be tranquillizing
you could be tranquillizing
she could be tranquillizing
we could be tranquillizing
you could be tranquillizing
they could be tranquillizing

Perfect

I could have tranquillized
you could have tranquillized
she could have tranquillized
we could have tranquillized
you could have tranquillized
they could have tranquillized

V-ing perfect

I could have been tranquillizing
you could have been tranquillizing
she could have been tranquillizing
we could have been tranquillizing
you could have been tranquillizing
they could have been tranquillizing

Negation

Simple form

I couldn't tranquillize
you couldn't tranquillize
she couldn't tranquillize
we couldn't tranquillize
you couldn't tranquillize
they couldn't tranquillize

V-ing form

I couldn't be tranquillizing
you couldn't be tranquillizing
she couldn't be tranquillizing
we couldn't be tranquillizing
you couldn't be tranquillizing
they couldn't be tranquillizing

Perfect

I couldn't have tranquillized
you couldn't have tranquillized
she couldn't have tranquillized
we couldn't have tranquillized
you couldn't have tranquillized
they couldn't have tranquillized

V-ing perfect

I couldn't have been tranquillizing
you couldn't have been tranquillizing
she couldn't have been tranquillizing
we couldn't have been tranquillizing
you couldn't have been tranquillizing
they couldn't have been tranquillizing

Interrogative form

Simple form

could I tranquillize?
could you tranquillize?
could she tranquillize?
could we tranquillize?
could you tranquillize?
could they tranquillize?

V-ing form

could I be tranquillizing?
could you be tranquillizing?
could she be tranquillizing?
could we be tranquillizing?
could you be tranquillizing?
could they be tranquillizing?

Perfect

could I have tranquillized?
could you have tranquillized?
could she have tranquillized?
could we have tranquillized?
could you have tranquillized?
could they have tranquillized?

V-ing perfect

could I have been tranquillizing?
could you have been tranquillizing?
could she have been tranquillizing?
could we have been tranquillizing?
could you have been tranquillizing?
could they have been tranquillizing?

Interro-negative form

Simple form

couldn't I tranquillize?
couldn't you tranquillize?
couldn't she tranquillize?
couldn't we tranquillize?
couldn't you tranquillize?
couldn't they tranquillize?

V-ing form

couldn't I be tranquillizing?
couldn't you be tranquillizing?
couldn't she be tranquillizing?
couldn't we be tranquillizing?
couldn't you be tranquillizing?
couldn't they be tranquillizing?

Perfect

couldn't I have tranquillized?
couldn't you have tranquillized?
couldn't she have tranquillized?
couldn't we have tranquillized?
couldn't you have tranquillized?
couldn't they have tranquillized?

V-ing perfect

couldn't I have been tranquillizing?
couldn't you have been tranquillizing?
couldn't she have been tranquillizing?
couldn't we have been tranquillizing?
couldn't you have been tranquillizing?
couldn't they have been tranquillizing?

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