could pluralise
Regular verb: pluralise - pluralised- pluralised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could pluralise
you could pluralise
she could pluralise
we could pluralise
you could pluralise
they could pluralise 	I could be pluralising
you could be pluralising
she could be pluralising
we could be pluralising
you could be pluralising
they could be pluralising	I could have pluralised
you could have pluralised
she could have pluralised
we could have pluralised
you could have pluralised
they could have pluralised	I could have been pluralising
you could have been pluralising
she could have been pluralising
we could have been pluralising
you could have been pluralising
they could have been pluralising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't pluralise
you couldn't pluralise
she couldn't pluralise
we couldn't pluralise
you couldn't pluralise
they couldn't pluralise 	I couldn't be pluralising
you couldn't be pluralising
she couldn't be pluralising
we couldn't be pluralising
you couldn't be pluralising
they couldn't be pluralising	I couldn't have pluralised
you couldn't have pluralised
she couldn't have pluralised
we couldn't have pluralised
you couldn't have pluralised
they couldn't have pluralised	I couldn't have been pluralising
you couldn't have been pluralising
she couldn't have been pluralising
we couldn't have been pluralising
you couldn't have been pluralising
they couldn't have been pluralising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I pluralise?
could you pluralise?
could she pluralise?
could we pluralise?
could you pluralise?
could they pluralise? 	could I be pluralising?
could you be pluralising?
could she be pluralising?
could we be pluralising?
could you be pluralising?
could they be pluralising? 	could I have pluralised?
could you have pluralised?
could she have pluralised?
could we have pluralised?
could you have pluralised?
could they have pluralised? 	could I have been pluralising?
could you have been pluralising?
could she have been pluralising?
could we have been pluralising?
could you have been pluralising?
could they have been pluralising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I pluralise?
couldn't you pluralise?
couldn't she pluralise?
couldn't we pluralise?
couldn't you pluralise?
couldn't they pluralise? 	couldn't I be pluralising?
couldn't you be pluralising?
couldn't she be pluralising?
couldn't we be pluralising?
couldn't you be pluralising?
couldn't they be pluralising? 	couldn't I have pluralised?
couldn't you have pluralised?
couldn't she have pluralised?
couldn't we have pluralised?
couldn't you have pluralised?
couldn't they have pluralised? 	couldn't I have been pluralising?
couldn't you have been pluralising?
couldn't she have been pluralising?
couldn't we have been pluralising?
couldn't you have been pluralising?
couldn't they have been pluralising?