can proposition
Regular verb: proposition - propositioned- propositioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can proposition
you can proposition
he can proposition
we can proposition
you can proposition
they can proposition 	I can be propositioning
you can be propositioning
he can be propositioning
we can be propositioning
you can be propositioning
they can be propositioning	I can have propositioned
you can have propositioned
he can have propositioned
we can have propositioned
you can have propositioned
they can have propositioned	I can have been propositioning
you can have been propositioning
he can have been propositioning
we can have been propositioning
you can have been propositioning
they can have been propositioning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't proposition
you can't proposition
he can't proposition
we can't proposition
you can't proposition
they can't proposition 	I can't be propositioning
you can't be propositioning
he can't be propositioning
we can't be propositioning
you can't be propositioning
they can't be propositioning	I can't have propositioned
you can't have propositioned
he can't have propositioned
we can't have propositioned
you can't have propositioned
they can't have propositioned	I can't have been propositioning
you can't have been propositioning
he can't have been propositioning
we can't have been propositioning
you can't have been propositioning
they can't have been propositioning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I proposition?
can you proposition?
can he proposition?
can we proposition?
can you proposition?
can they proposition? 	can I be propositioning?
can you be propositioning?
can he be propositioning?
can we be propositioning?
can you be propositioning?
can they be propositioning? 	can I have propositioned?
can you have propositioned?
can he have propositioned?
can we have propositioned?
can you have propositioned?
can they have propositioned? 	can I have been propositioning?
can you have been propositioning?
can he have been propositioning?
can we have been propositioning?
can you have been propositioning?
can they have been propositioning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I proposition?
can't you proposition?
can't he proposition?
can't we proposition?
can't you proposition?
can't they proposition? 	can't I be propositioning?
can't you be propositioning?
can't he be propositioning?
can't we be propositioning?
can't you be propositioning?
can't they be propositioning? 	can't I have propositioned?
can't you have propositioned?
can't he have propositioned?
can't we have propositioned?
can't you have propositioned?
can't they have propositioned? 	can't I have been propositioning?
can't you have been propositioning?
can't he have been propositioning?
can't we have been propositioning?
can't you have been propositioning?
can't they have been propositioning?