could revitalise
Regular verb: revitalise - revitalised- revitalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could revitalise
you could revitalise
he could revitalise
we could revitalise
you could revitalise
they could revitalise 	I could be revitalising
you could be revitalising
he could be revitalising
we could be revitalising
you could be revitalising
they could be revitalising	I could have revitalised
you could have revitalised
he could have revitalised
we could have revitalised
you could have revitalised
they could have revitalised	I could have been revitalising
you could have been revitalising
he could have been revitalising
we could have been revitalising
you could have been revitalising
they could have been revitalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't revitalise
you couldn't revitalise
he couldn't revitalise
we couldn't revitalise
you couldn't revitalise
they couldn't revitalise 	I couldn't be revitalising
you couldn't be revitalising
he couldn't be revitalising
we couldn't be revitalising
you couldn't be revitalising
they couldn't be revitalising	I couldn't have revitalised
you couldn't have revitalised
he couldn't have revitalised
we couldn't have revitalised
you couldn't have revitalised
they couldn't have revitalised	I couldn't have been revitalising
you couldn't have been revitalising
he couldn't have been revitalising
we couldn't have been revitalising
you couldn't have been revitalising
they couldn't have been revitalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I revitalise?
could you revitalise?
could he revitalise?
could we revitalise?
could you revitalise?
could they revitalise? 	could I be revitalising?
could you be revitalising?
could he be revitalising?
could we be revitalising?
could you be revitalising?
could they be revitalising? 	could I have revitalised?
could you have revitalised?
could he have revitalised?
could we have revitalised?
could you have revitalised?
could they have revitalised? 	could I have been revitalising?
could you have been revitalising?
could he have been revitalising?
could we have been revitalising?
could you have been revitalising?
could they have been revitalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I revitalise?
couldn't you revitalise?
couldn't he revitalise?
couldn't we revitalise?
couldn't you revitalise?
couldn't they revitalise? 	couldn't I be revitalising?
couldn't you be revitalising?
couldn't he be revitalising?
couldn't we be revitalising?
couldn't you be revitalising?
couldn't they be revitalising? 	couldn't I have revitalised?
couldn't you have revitalised?
couldn't he have revitalised?
couldn't we have revitalised?
couldn't you have revitalised?
couldn't they have revitalised? 	couldn't I have been revitalising?
couldn't you have been revitalising?
couldn't he have been revitalising?
couldn't we have been revitalising?
couldn't you have been revitalising?
couldn't they have been revitalising?