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 must not stratify
you must not stratify
he must not stratify
we must not stratify
you must not stratify
they must not stratify

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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