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 must not retrofit
you must not retrofit
he must not retrofit
we must not retrofit
you must not retrofit
they must not retrofit

V-ing form

I must not be retrofiting
you must not be retrofiting
he must not be retrofiting
we must not be retrofiting
you must not be retrofiting
they must not be retrofiting

Perfect

I must not have retrofit
you must not have retrofit
he must not have retrofit
we must not have retrofit
you must not have retrofit
they must not have retrofit

V-ing perfect

I must not have been retrofiting
you must not have been retrofiting
he must not have been retrofiting
we must not have been retrofiting
you must not have been retrofiting
they must not 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

must I not retrofit?
must you not retrofit?
must he not retrofit?
must we not retrofit?
must you not retrofit?
must they not retrofit?

V-ing form

must I not be retrofiting?
must you not be retrofiting?
must he not be retrofiting?
must we not be retrofiting?
must you not be retrofiting?
must they not be retrofiting?

Perfect

must I not have retrofit?
must you not have retrofit?
must he not have retrofit?
must we not have retrofit?
must you not have retrofit?
must they not have retrofit?

V-ing perfect

must I not have been retrofiting?
must you not have been retrofiting?
must he not have been retrofiting?
must we not have been retrofiting?
must you not have been retrofiting?
must they not have been retrofiting?

Page top