English verb conjugation MUST CRAWL

Regular verb: crawl - crawled - crawled

Affirmation

Simple form

I must crawl
you must crawl
he must crawl
we must crawl
you must crawl
they must crawl

V-ing form

I must be crawling
you must be crawling
he must be crawling
we must be crawling
you must be crawling
they must be crawling

Perfect

I must have crawled
you must have crawled
he must have crawled
we must have crawled
you must have crawled
they must have crawled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I crawl?
must you crawl?
must he crawl?
must we crawl?
must you crawl?
must they crawl?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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