English verb conjugation COULD SUPERPOSE

Regular verb: superpose - superposed - superposed

Affirmation

Simple form

I could superpose
you could superpose
he could superpose
we could superpose
you could superpose
they could superpose

V-ing form

I could be superposing
you could be superposing
he could be superposing
we could be superposing
you could be superposing
they could be superposing

Perfect

I could have superposed
you could have superposed
he could have superposed
we could have superposed
you could have superposed
they could have superposed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I superpose?
could you superpose?
could he superpose?
could we superpose?
could you superpose?
could they superpose?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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