can proposition
Regular verb: proposition - propositioned- propositioned

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