can presuppose
Regular verb: presuppose - presupposed- presupposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can presuppose
you can presuppose
he can presuppose
we can presuppose
you can presuppose
they can presuppose 	I can be presupposing
you can be presupposing
he can be presupposing
we can be presupposing
you can be presupposing
they can be presupposing	I can have presupposed
you can have presupposed
he can have presupposed
we can have presupposed
you can have presupposed
they can have presupposed	I can have been presupposing
you can have been presupposing
he can have been presupposing
we can have been presupposing
you can have been presupposing
they can have been presupposing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't presuppose
you can't presuppose
he can't presuppose
we can't presuppose
you can't presuppose
they can't presuppose 	I can't be presupposing
you can't be presupposing
he can't be presupposing
we can't be presupposing
you can't be presupposing
they can't be presupposing	I can't have presupposed
you can't have presupposed
he can't have presupposed
we can't have presupposed
you can't have presupposed
they can't have presupposed	I can't have been presupposing
you can't have been presupposing
he can't have been presupposing
we can't have been presupposing
you can't have been presupposing
they can't have been presupposing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I presuppose?
can you presuppose?
can he presuppose?
can we presuppose?
can you presuppose?
can they presuppose? 	can I be presupposing?
can you be presupposing?
can he be presupposing?
can we be presupposing?
can you be presupposing?
can they be presupposing? 	can I have presupposed?
can you have presupposed?
can he have presupposed?
can we have presupposed?
can you have presupposed?
can they have presupposed? 	can I have been presupposing?
can you have been presupposing?
can he have been presupposing?
can we have been presupposing?
can you have been presupposing?
can they have been presupposing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I presuppose?
can't you presuppose?
can't he presuppose?
can't we presuppose?
can't you presuppose?
can't they presuppose? 	can't I be presupposing?
can't you be presupposing?
can't he be presupposing?
can't we be presupposing?
can't you be presupposing?
can't they be presupposing? 	can't I have presupposed?
can't you have presupposed?
can't he have presupposed?
can't we have presupposed?
can't you have presupposed?
can't they have presupposed? 	can't I have been presupposing?
can't you have been presupposing?
can't he have been presupposing?
can't we have been presupposing?
can't you have been presupposing?
can't they have been presupposing?