English verb conjugation MUST SAP

Regular verb: sap - sapped - sapped

Affirmation

Simple form

I must sap
you must sap
she must sap
we must sap
you must sap
they must sap

V-ing form

I must be sapping
you must be sapping
she must be sapping
we must be sapping
you must be sapping
they must be sapping

Perfect

I must have sapped
you must have sapped
she must have sapped
we must have sapped
you must have sapped
they must have sapped

V-ing perfect

I must have been sapping
you must have been sapping
she must have been sapping
we must have been sapping
you must have been sapping
they must have been sapping

Negation

Simple form

I must not sap
you must not sap
she must not sap
we must not sap
you must not sap
they must not sap

V-ing form

I must not be sapping
you must not be sapping
she must not be sapping
we must not be sapping
you must not be sapping
they must not be sapping

Perfect

I must not have sapped
you must not have sapped
she must not have sapped
we must not have sapped
you must not have sapped
they must not have sapped

V-ing perfect

I must not have been sapping
you must not have been sapping
she must not have been sapping
we must not have been sapping
you must not have been sapping
they must not have been sapping

Interrogative form

Simple form

must I sap?
must you sap?
must she sap?
must we sap?
must you sap?
must they sap?

V-ing form

must I be sapping?
must you be sapping?
must she be sapping?
must we be sapping?
must you be sapping?
must they be sapping?

Perfect

must I have sapped?
must you have sapped?
must she have sapped?
must we have sapped?
must you have sapped?
must they have sapped?

V-ing perfect

must I have been sapping?
must you have been sapping?
must she have been sapping?
must we have been sapping?
must you have been sapping?
must they have been sapping?

Interro-negative form

Simple form

must I not sap?
must you not sap?
must she not sap?
must we not sap?
must you not sap?
must they not sap?

V-ing form

must I not be sapping?
must you not be sapping?
must she not be sapping?
must we not be sapping?
must you not be sapping?
must they not be sapping?

Perfect

must I not have sapped?
must you not have sapped?
must she not have sapped?
must we not have sapped?
must you not have sapped?
must they not have sapped?

V-ing perfect

must I not have been sapping?
must you not have been sapping?
must she not have been sapping?
must we not have been sapping?
must you not have been sapping?
must they not have been sapping?

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