could convect
Regular verb: convect - convected- convected

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could convect
you could convect
she could convect
we could convect
you could convect
they could convect 	I could be convecting
you could be convecting
she could be convecting
we could be convecting
you could be convecting
they could be convecting	I could have convected
you could have convected
she could have convected
we could have convected
you could have convected
they could have convected	I could have been convecting
you could have been convecting
she could have been convecting
we could have been convecting
you could have been convecting
they could have been convecting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't convect
you couldn't convect
she couldn't convect
we couldn't convect
you couldn't convect
they couldn't convect 	I couldn't be convecting
you couldn't be convecting
she couldn't be convecting
we couldn't be convecting
you couldn't be convecting
they couldn't be convecting	I couldn't have convected
you couldn't have convected
she couldn't have convected
we couldn't have convected
you couldn't have convected
they couldn't have convected	I couldn't have been convecting
you couldn't have been convecting
she couldn't have been convecting
we couldn't have been convecting
you couldn't have been convecting
they couldn't have been convecting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I convect?
could you convect?
could she convect?
could we convect?
could you convect?
could they convect? 	could I be convecting?
could you be convecting?
could she be convecting?
could we be convecting?
could you be convecting?
could they be convecting? 	could I have convected?
could you have convected?
could she have convected?
could we have convected?
could you have convected?
could they have convected? 	could I have been convecting?
could you have been convecting?
could she have been convecting?
could we have been convecting?
could you have been convecting?
could they have been convecting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I convect?
couldn't you convect?
couldn't she convect?
couldn't we convect?
couldn't you convect?
couldn't they convect? 	couldn't I be convecting?
couldn't you be convecting?
couldn't she be convecting?
couldn't we be convecting?
couldn't you be convecting?
couldn't they be convecting? 	couldn't I have convected?
couldn't you have convected?
couldn't she have convected?
couldn't we have convected?
couldn't you have convected?
couldn't they have convected? 	couldn't I have been convecting?
couldn't you have been convecting?
couldn't she have been convecting?
couldn't we have been convecting?
couldn't you have been convecting?
couldn't they have been convecting?