English verb conjugation COULD SUCTION

Regular verb: suction - suctioned - suctioned

Affirmation

Simple form

I could suction
you could suction
he could suction
we could suction
you could suction
they could suction

V-ing form

I could be suctioning
you could be suctioning
he could be suctioning
we could be suctioning
you could be suctioning
they could be suctioning

Perfect

I could have suctioned
you could have suctioned
he could have suctioned
we could have suctioned
you could have suctioned
they could have suctioned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I suction?
could you suction?
could he suction?
could we suction?
could you suction?
could they suction?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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