could guest
Regular verb: guest - guested- guested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could guest
you could guest
she could guest
we could guest
you could guest
they could guest 	I could be guesting
you could be guesting
she could be guesting
we could be guesting
you could be guesting
they could be guesting	I could have guested
you could have guested
she could have guested
we could have guested
you could have guested
they could have guested	I could have been guesting
you could have been guesting
she could have been guesting
we could have been guesting
you could have been guesting
they could have been guesting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not guest
you could not guest
she could not guest
we could not guest
you could not guest
they could not guest 	I could not be guesting
you could not be guesting
she could not be guesting
we could not be guesting
you could not be guesting
they could not be guesting	I could not have guested
you could not have guested
she could not have guested
we could not have guested
you could not have guested
they could not have guested	I could not have been guesting
you could not have been guesting
she could not have been guesting
we could not have been guesting
you could not have been guesting
they could not have been guesting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I guest?
could you guest?
could she guest?
could we guest?
could you guest?
could they guest? 	could I be guesting?
could you be guesting?
could she be guesting?
could we be guesting?
could you be guesting?
could they be guesting? 	could I have guested?
could you have guested?
could she have guested?
could we have guested?
could you have guested?
could they have guested? 	could I have been guesting?
could you have been guesting?
could she have been guesting?
could we have been guesting?
could you have been guesting?
could they have been guesting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not guest?
could you not guest?
could she not guest?
could we not guest?
could you not guest?
could they not guest? 	could I not be guesting?
could you not be guesting?
could she not be guesting?
could we not be guesting?
could you not be guesting?
could they not be guesting? 	could I not have guested?
could you not have guested?
could she not have guested?
could we not have guested?
could you not have guested?
could they not have guested? 	could I not have been guesting?
could you not have been guesting?
could she not have been guesting?
could we not have been guesting?
could you not have been guesting?
could they not have been guesting?