can crest
Regular verb: crest - crested- crested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can crest
you can crest
she can crest
we can crest
you can crest
they can crest 	I can be cresting
you can be cresting
she can be cresting
we can be cresting
you can be cresting
they can be cresting	I can have crested
you can have crested
she can have crested
we can have crested
you can have crested
they can have crested	I can have been cresting
you can have been cresting
she can have been cresting
we can have been cresting
you can have been cresting
they can have been cresting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't crest
you can't crest
she can't crest
we can't crest
you can't crest
they can't crest 	I can't be cresting
you can't be cresting
she can't be cresting
we can't be cresting
you can't be cresting
they can't be cresting	I can't have crested
you can't have crested
she can't have crested
we can't have crested
you can't have crested
they can't have crested	I can't have been cresting
you can't have been cresting
she can't have been cresting
we can't have been cresting
you can't have been cresting
they can't have been cresting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I crest?
can you crest?
can she crest?
can we crest?
can you crest?
can they crest? 	can I be cresting?
can you be cresting?
can she be cresting?
can we be cresting?
can you be cresting?
can they be cresting? 	can I have crested?
can you have crested?
can she have crested?
can we have crested?
can you have crested?
can they have crested? 	can I have been cresting?
can you have been cresting?
can she have been cresting?
can we have been cresting?
can you have been cresting?
can they have been cresting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I crest?
can't you crest?
can't she crest?
can't we crest?
can't you crest?
can't they crest? 	can't I be cresting?
can't you be cresting?
can't she be cresting?
can't we be cresting?
can't you be cresting?
can't they be cresting? 	can't I have crested?
can't you have crested?
can't she have crested?
can't we have crested?
can't you have crested?
can't they have crested? 	can't I have been cresting?
can't you have been cresting?
can't she have been cresting?
can't we have been cresting?
can't you have been cresting?
can't they have been cresting?