English verb conjugation MUST WITHSTAND

Irregular verb: withstand - withstood - withstood

Affirmation

Simple form

I must withstand
you must withstand
he must withstand
we must withstand
you must withstand
they must withstand

V-ing form

I must be withstanding
you must be withstanding
he must be withstanding
we must be withstanding
you must be withstanding
they must be withstanding

Perfect

I must have withstood
you must have withstood
he must have withstood
we must have withstood
you must have withstood
they must have withstood

V-ing perfect

I must have been withstanding
you must have been withstanding
he must have been withstanding
we must have been withstanding
you must have been withstanding
they must have been withstanding

Negation

Simple form

I mustn't withstand
you mustn't withstand
he mustn't withstand
we mustn't withstand
you mustn't withstand
they mustn't withstand

V-ing form

I mustn't be withstanding
you mustn't be withstanding
he mustn't be withstanding
we mustn't be withstanding
you mustn't be withstanding
they mustn't be withstanding

Perfect

I mustn't have withstood
you mustn't have withstood
he mustn't have withstood
we mustn't have withstood
you mustn't have withstood
they mustn't have withstood

V-ing perfect

I mustn't have been withstanding
you mustn't have been withstanding
he mustn't have been withstanding
we mustn't have been withstanding
you mustn't have been withstanding
they mustn't have been withstanding

Interrogative form

Simple form

must I withstand?
must you withstand?
must he withstand?
must we withstand?
must you withstand?
must they withstand?

V-ing form

must I be withstanding?
must you be withstanding?
must he be withstanding?
must we be withstanding?
must you be withstanding?
must they be withstanding?

Perfect

must I have withstood?
must you have withstood?
must he have withstood?
must we have withstood?
must you have withstood?
must they have withstood?

V-ing perfect

must I have been withstanding?
must you have been withstanding?
must he have been withstanding?
must we have been withstanding?
must you have been withstanding?
must they have been withstanding?

Interro-negative form

Simple form

mustn't I withstand?
mustn't you withstand?
mustn't he withstand?
mustn't we withstand?
mustn't you withstand?
mustn't they withstand?

V-ing form

mustn't I be withstanding?
mustn't you be withstanding?
mustn't he be withstanding?
mustn't we be withstanding?
mustn't you be withstanding?
mustn't they be withstanding?

Perfect

mustn't I have withstood?
mustn't you have withstood?
mustn't he have withstood?
mustn't we have withstood?
mustn't you have withstood?
mustn't they have withstood?

V-ing perfect

mustn't I have been withstanding?
mustn't you have been withstanding?
mustn't he have been withstanding?
mustn't we have been withstanding?
mustn't you have been withstanding?
mustn't they have been withstanding?

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