could advise
Regular verb: advise - advised- advised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could advise
you could advise
she could advise
we could advise
you could advise
they could advise 	I could be advising
you could be advising
she could be advising
we could be advising
you could be advising
they could be advising	I could have advised
you could have advised
she could have advised
we could have advised
you could have advised
they could have advised	I could have been advising
you could have been advising
she could have been advising
we could have been advising
you could have been advising
they could have been advising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't advise
you couldn't advise
she couldn't advise
we couldn't advise
you couldn't advise
they couldn't advise 	I couldn't be advising
you couldn't be advising
she couldn't be advising
we couldn't be advising
you couldn't be advising
they couldn't be advising	I couldn't have advised
you couldn't have advised
she couldn't have advised
we couldn't have advised
you couldn't have advised
they couldn't have advised	I couldn't have been advising
you couldn't have been advising
she couldn't have been advising
we couldn't have been advising
you couldn't have been advising
they couldn't have been advising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I advise?
could you advise?
could she advise?
could we advise?
could you advise?
could they advise? 	could I be advising?
could you be advising?
could she be advising?
could we be advising?
could you be advising?
could they be advising? 	could I have advised?
could you have advised?
could she have advised?
could we have advised?
could you have advised?
could they have advised? 	could I have been advising?
could you have been advising?
could she have been advising?
could we have been advising?
could you have been advising?
could they have been advising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I advise?
couldn't you advise?
couldn't she advise?
couldn't we advise?
couldn't you advise?
couldn't they advise? 	couldn't I be advising?
couldn't you be advising?
couldn't she be advising?
couldn't we be advising?
couldn't you be advising?
couldn't they be advising? 	couldn't I have advised?
couldn't you have advised?
couldn't she have advised?
couldn't we have advised?
couldn't you have advised?
couldn't they have advised? 	couldn't I have been advising?
couldn't you have been advising?
couldn't she have been advising?
couldn't we have been advising?
couldn't you have been advising?
couldn't they have been advising?