English verb conjugation COULD SUPPOSE

Regular verb: suppose - supposed - supposed

Affirmation

Simple form

I could suppose
you could suppose
he could suppose
we could suppose
you could suppose
they could suppose

V-ing form

I could be supposing
you could be supposing
he could be supposing
we could be supposing
you could be supposing
they could be supposing

Perfect

I could have supposed
you could have supposed
he could have supposed
we could have supposed
you could have supposed
they could have supposed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I suppose?
could you suppose?
could he suppose?
could we suppose?
could you suppose?
could they suppose?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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