English verb conjugation COULD CRAWL

Regular verb: crawl - crawled - crawled

Affirmation

Simple form

I could crawl
you could crawl
he could crawl
we could crawl
you could crawl
they could crawl

V-ing form

I could be crawling
you could be crawling
he could be crawling
we could be crawling
you could be crawling
they could be crawling

Perfect

I could have crawled
you could have crawled
he could have crawled
we could have crawled
you could have crawled
they could have crawled

V-ing perfect

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

Negation

Simple form

I could not crawl
you could not crawl
he could not crawl
we could not crawl
you could not crawl
they could not crawl

V-ing form

I could not be crawling
you could not be crawling
he could not be crawling
we could not be crawling
you could not be crawling
they could not be crawling

Perfect

I could not have crawled
you could not have crawled
he could not have crawled
we could not have crawled
you could not have crawled
they could not have crawled

V-ing perfect

I could not have been crawling
you could not have been crawling
he could not have been crawling
we could not have been crawling
you could not have been crawling
they could not have been crawling

Interrogative form

Simple form

could I crawl?
could you crawl?
could he crawl?
could we crawl?
could you crawl?
could they crawl?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not crawl?
could you not crawl?
could he not crawl?
could we not crawl?
could you not crawl?
could they not crawl?

V-ing form

could I not be crawling?
could you not be crawling?
could he not be crawling?
could we not be crawling?
could you not be crawling?
could they not be crawling?

Perfect

could I not have crawled?
could you not have crawled?
could he not have crawled?
could we not have crawled?
could you not have crawled?
could they not have crawled?

V-ing perfect

could I not have been crawling?
could you not have been crawling?
could he not have been crawling?
could we not have been crawling?
could you not have been crawling?
could they not have been crawling?

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