could restabilize
Regular verb: restabilize - restabilized- restabilized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could restabilize
you could restabilize
she could restabilize
we could restabilize
you could restabilize
they could restabilize 	I could be restabilizing
you could be restabilizing
she could be restabilizing
we could be restabilizing
you could be restabilizing
they could be restabilizing	I could have restabilized
you could have restabilized
she could have restabilized
we could have restabilized
you could have restabilized
they could have restabilized	I could have been restabilizing
you could have been restabilizing
she could have been restabilizing
we could have been restabilizing
you could have been restabilizing
they could have been restabilizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't restabilize
you couldn't restabilize
she couldn't restabilize
we couldn't restabilize
you couldn't restabilize
they couldn't restabilize 	I couldn't be restabilizing
you couldn't be restabilizing
she couldn't be restabilizing
we couldn't be restabilizing
you couldn't be restabilizing
they couldn't be restabilizing	I couldn't have restabilized
you couldn't have restabilized
she couldn't have restabilized
we couldn't have restabilized
you couldn't have restabilized
they couldn't have restabilized	I couldn't have been restabilizing
you couldn't have been restabilizing
she couldn't have been restabilizing
we couldn't have been restabilizing
you couldn't have been restabilizing
they couldn't have been restabilizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I restabilize?
could you restabilize?
could she restabilize?
could we restabilize?
could you restabilize?
could they restabilize? 	could I be restabilizing?
could you be restabilizing?
could she be restabilizing?
could we be restabilizing?
could you be restabilizing?
could they be restabilizing? 	could I have restabilized?
could you have restabilized?
could she have restabilized?
could we have restabilized?
could you have restabilized?
could they have restabilized? 	could I have been restabilizing?
could you have been restabilizing?
could she have been restabilizing?
could we have been restabilizing?
could you have been restabilizing?
could they have been restabilizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I restabilize?
couldn't you restabilize?
couldn't she restabilize?
couldn't we restabilize?
couldn't you restabilize?
couldn't they restabilize? 	couldn't I be restabilizing?
couldn't you be restabilizing?
couldn't she be restabilizing?
couldn't we be restabilizing?
couldn't you be restabilizing?
couldn't they be restabilizing? 	couldn't I have restabilized?
couldn't you have restabilized?
couldn't she have restabilized?
couldn't we have restabilized?
couldn't you have restabilized?
couldn't they have restabilized? 	couldn't I have been restabilizing?
couldn't you have been restabilizing?
couldn't she have been restabilizing?
couldn't we have been restabilizing?
couldn't you have been restabilizing?
couldn't they have been restabilizing?