English verb conjugation MUST RETROFIT

Irregular verb: retrofit - retrofit - retrofit

Affirmation

Simple form

I must retrofit
you must retrofit
he must retrofit
we must retrofit
you must retrofit
they must retrofit

V-ing form

I must be retrofiting
you must be retrofiting
he must be retrofiting
we must be retrofiting
you must be retrofiting
they must be retrofiting

Perfect

I must have retrofit
you must have retrofit
he must have retrofit
we must have retrofit
you must have retrofit
they must have retrofit

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I retrofit?
must you retrofit?
must he retrofit?
must we retrofit?
must you retrofit?
must they retrofit?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top