English verb conjugation MUST PROP

Regular verb: prop - propped - propped

Affirmation

Simple form

I must prop
you must prop
she must prop
we must prop
you must prop
they must prop

V-ing form

I must be propping
you must be propping
she must be propping
we must be propping
you must be propping
they must be propping

Perfect

I must have propped
you must have propped
she must have propped
we must have propped
you must have propped
they must have propped

V-ing perfect

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

Negation

Simple form

I mustn't prop
you mustn't prop
she mustn't prop
we mustn't prop
you mustn't prop
they mustn't prop

V-ing form

I mustn't be propping
you mustn't be propping
she mustn't be propping
we mustn't be propping
you mustn't be propping
they mustn't be propping

Perfect

I mustn't have propped
you mustn't have propped
she mustn't have propped
we mustn't have propped
you mustn't have propped
they mustn't have propped

V-ing perfect

I mustn't have been propping
you mustn't have been propping
she mustn't have been propping
we mustn't have been propping
you mustn't have been propping
they mustn't have been propping

Interrogative form

Simple form

must I prop?
must you prop?
must she prop?
must we prop?
must you prop?
must they prop?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I prop?
mustn't you prop?
mustn't she prop?
mustn't we prop?
mustn't you prop?
mustn't they prop?

V-ing form

mustn't I be propping?
mustn't you be propping?
mustn't she be propping?
mustn't we be propping?
mustn't you be propping?
mustn't they be propping?

Perfect

mustn't I have propped?
mustn't you have propped?
mustn't she have propped?
mustn't we have propped?
mustn't you have propped?
mustn't they have propped?

V-ing perfect

mustn't I have been propping?
mustn't you have been propping?
mustn't she have been propping?
mustn't we have been propping?
mustn't you have been propping?
mustn't they have been propping?

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