could institutionalise
Regular verb: institutionalise - institutionalised- institutionalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could institutionalise
you could institutionalise
he could institutionalise
we could institutionalise
you could institutionalise
they could institutionalise 	I could be institutionalising
you could be institutionalising
he could be institutionalising
we could be institutionalising
you could be institutionalising
they could be institutionalising	I could have institutionalised
you could have institutionalised
he could have institutionalised
we could have institutionalised
you could have institutionalised
they could have institutionalised	I could have been institutionalising
you could have been institutionalising
he could have been institutionalising
we could have been institutionalising
you could have been institutionalising
they could have been institutionalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't institutionalise
you couldn't institutionalise
he couldn't institutionalise
we couldn't institutionalise
you couldn't institutionalise
they couldn't institutionalise 	I couldn't be institutionalising
you couldn't be institutionalising
he couldn't be institutionalising
we couldn't be institutionalising
you couldn't be institutionalising
they couldn't be institutionalising	I couldn't have institutionalised
you couldn't have institutionalised
he couldn't have institutionalised
we couldn't have institutionalised
you couldn't have institutionalised
they couldn't have institutionalised	I couldn't have been institutionalising
you couldn't have been institutionalising
he couldn't have been institutionalising
we couldn't have been institutionalising
you couldn't have been institutionalising
they couldn't have been institutionalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I institutionalise?
could you institutionalise?
could he institutionalise?
could we institutionalise?
could you institutionalise?
could they institutionalise? 	could I be institutionalising?
could you be institutionalising?
could he be institutionalising?
could we be institutionalising?
could you be institutionalising?
could they be institutionalising? 	could I have institutionalised?
could you have institutionalised?
could he have institutionalised?
could we have institutionalised?
could you have institutionalised?
could they have institutionalised? 	could I have been institutionalising?
could you have been institutionalising?
could he have been institutionalising?
could we have been institutionalising?
could you have been institutionalising?
could they have been institutionalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I institutionalise?
couldn't you institutionalise?
couldn't he institutionalise?
couldn't we institutionalise?
couldn't you institutionalise?
couldn't they institutionalise? 	couldn't I be institutionalising?
couldn't you be institutionalising?
couldn't he be institutionalising?
couldn't we be institutionalising?
couldn't you be institutionalising?
couldn't they be institutionalising? 	couldn't I have institutionalised?
couldn't you have institutionalised?
couldn't he have institutionalised?
couldn't we have institutionalised?
couldn't you have institutionalised?
couldn't they have institutionalised? 	couldn't I have been institutionalising?
couldn't you have been institutionalising?
couldn't he have been institutionalising?
couldn't we have been institutionalising?
couldn't you have been institutionalising?
couldn't they have been institutionalising?