English verb conjugation MUST STRATIFY

Regular verb: stratify - stratified - stratified

Affirmation

Simple form

I must stratify
you must stratify
he must stratify
we must stratify
you must stratify
they must stratify

V-ing form

I must be stratifying
you must be stratifying
he must be stratifying
we must be stratifying
you must be stratifying
they must be stratifying

Perfect

I must have stratified
you must have stratified
he must have stratified
we must have stratified
you must have stratified
they must have stratified

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I stratify?
must you stratify?
must he stratify?
must we stratify?
must you stratify?
must they stratify?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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