could memorialise
Regular verb: memorialise - memorialised- memorialised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could memorialise
you could memorialise
he could memorialise
we could memorialise
you could memorialise
they could memorialise 	I could be memorialising
you could be memorialising
he could be memorialising
we could be memorialising
you could be memorialising
they could be memorialising	I could have memorialised
you could have memorialised
he could have memorialised
we could have memorialised
you could have memorialised
they could have memorialised	I could have been memorialising
you could have been memorialising
he could have been memorialising
we could have been memorialising
you could have been memorialising
they could have been memorialising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't memorialise
you couldn't memorialise
he couldn't memorialise
we couldn't memorialise
you couldn't memorialise
they couldn't memorialise 	I couldn't be memorialising
you couldn't be memorialising
he couldn't be memorialising
we couldn't be memorialising
you couldn't be memorialising
they couldn't be memorialising	I couldn't have memorialised
you couldn't have memorialised
he couldn't have memorialised
we couldn't have memorialised
you couldn't have memorialised
they couldn't have memorialised	I couldn't have been memorialising
you couldn't have been memorialising
he couldn't have been memorialising
we couldn't have been memorialising
you couldn't have been memorialising
they couldn't have been memorialising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I memorialise?
could you memorialise?
could he memorialise?
could we memorialise?
could you memorialise?
could they memorialise? 	could I be memorialising?
could you be memorialising?
could he be memorialising?
could we be memorialising?
could you be memorialising?
could they be memorialising? 	could I have memorialised?
could you have memorialised?
could he have memorialised?
could we have memorialised?
could you have memorialised?
could they have memorialised? 	could I have been memorialising?
could you have been memorialising?
could he have been memorialising?
could we have been memorialising?
could you have been memorialising?
could they have been memorialising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I memorialise?
couldn't you memorialise?
couldn't he memorialise?
couldn't we memorialise?
couldn't you memorialise?
couldn't they memorialise? 	couldn't I be memorialising?
couldn't you be memorialising?
couldn't he be memorialising?
couldn't we be memorialising?
couldn't you be memorialising?
couldn't they be memorialising? 	couldn't I have memorialised?
couldn't you have memorialised?
couldn't he have memorialised?
couldn't we have memorialised?
couldn't you have memorialised?
couldn't they have memorialised? 	couldn't I have been memorialising?
couldn't you have been memorialising?
couldn't he have been memorialising?
couldn't we have been memorialising?
couldn't you have been memorialising?
couldn't they have been memorialising?