English verb conjugation COULD SAP

Regular verb: sap - sapped - sapped

Affirmation

Simple form

I could sap
you could sap
he could sap
we could sap
you could sap
they could sap

V-ing form

I could be sapping
you could be sapping
he could be sapping
we could be sapping
you could be sapping
they could be sapping

Perfect

I could have sapped
you could have sapped
he could have sapped
we could have sapped
you could have sapped
they could have sapped

V-ing perfect

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

Negation

Simple form

I could not sap
you could not sap
he could not sap
we could not sap
you could not sap
they could not sap

V-ing form

I could not be sapping
you could not be sapping
he could not be sapping
we could not be sapping
you could not be sapping
they could not be sapping

Perfect

I could not have sapped
you could not have sapped
he could not have sapped
we could not have sapped
you could not have sapped
they could not have sapped

V-ing perfect

I could not have been sapping
you could not have been sapping
he could not have been sapping
we could not have been sapping
you could not have been sapping
they could not have been sapping

Interrogative form

Simple form

could I sap?
could you sap?
could he sap?
could we sap?
could you sap?
could they sap?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not sap?
could you not sap?
could he not sap?
could we not sap?
could you not sap?
could they not sap?

V-ing form

could I not be sapping?
could you not be sapping?
could he not be sapping?
could we not be sapping?
could you not be sapping?
could they not be sapping?

Perfect

could I not have sapped?
could you not have sapped?
could he not have sapped?
could we not have sapped?
could you not have sapped?
could they not have sapped?

V-ing perfect

could I not have been sapping?
could you not have been sapping?
could he not have been sapping?
could we not have been sapping?
could you not have been sapping?
could they not have been sapping?

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