English verb conjugation MUST RETROFIRE

Regular verb: retrofire - retrofired - retrofired

Affirmation

Simple form

I must retrofire
you must retrofire
he must retrofire
we must retrofire
you must retrofire
they must retrofire

V-ing form

I must be retrofiring
you must be retrofiring
he must be retrofiring
we must be retrofiring
you must be retrofiring
they must be retrofiring

Perfect

I must have retrofired
you must have retrofired
he must have retrofired
we must have retrofired
you must have retrofired
they must have retrofired

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I retrofire?
must you retrofire?
must he retrofire?
must we retrofire?
must you retrofire?
must they retrofire?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top