could overformalise
Regular verb: overformalise - overformalised- overformalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could overformalise
you could overformalise
he could overformalise
we could overformalise
you could overformalise
they could overformalise 	I could be overformalising
you could be overformalising
he could be overformalising
we could be overformalising
you could be overformalising
they could be overformalising	I could have overformalised
you could have overformalised
he could have overformalised
we could have overformalised
you could have overformalised
they could have overformalised	I could have been overformalising
you could have been overformalising
he could have been overformalising
we could have been overformalising
you could have been overformalising
they could have been overformalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't overformalise
you couldn't overformalise
he couldn't overformalise
we couldn't overformalise
you couldn't overformalise
they couldn't overformalise 	I couldn't be overformalising
you couldn't be overformalising
he couldn't be overformalising
we couldn't be overformalising
you couldn't be overformalising
they couldn't be overformalising	I couldn't have overformalised
you couldn't have overformalised
he couldn't have overformalised
we couldn't have overformalised
you couldn't have overformalised
they couldn't have overformalised	I couldn't have been overformalising
you couldn't have been overformalising
he couldn't have been overformalising
we couldn't have been overformalising
you couldn't have been overformalising
they couldn't have been overformalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I overformalise?
could you overformalise?
could he overformalise?
could we overformalise?
could you overformalise?
could they overformalise? 	could I be overformalising?
could you be overformalising?
could he be overformalising?
could we be overformalising?
could you be overformalising?
could they be overformalising? 	could I have overformalised?
could you have overformalised?
could he have overformalised?
could we have overformalised?
could you have overformalised?
could they have overformalised? 	could I have been overformalising?
could you have been overformalising?
could he have been overformalising?
could we have been overformalising?
could you have been overformalising?
could they have been overformalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I overformalise?
couldn't you overformalise?
couldn't he overformalise?
couldn't we overformalise?
couldn't you overformalise?
couldn't they overformalise? 	couldn't I be overformalising?
couldn't you be overformalising?
couldn't he be overformalising?
couldn't we be overformalising?
couldn't you be overformalising?
couldn't they be overformalising? 	couldn't I have overformalised?
couldn't you have overformalised?
couldn't he have overformalised?
couldn't we have overformalised?
couldn't you have overformalised?
couldn't they have overformalised? 	couldn't I have been overformalising?
couldn't you have been overformalising?
couldn't he have been overformalising?
couldn't we have been overformalising?
couldn't you have been overformalising?
couldn't they have been overformalising?