I can proposition you can proposition he can proposition we can proposition you can proposition they can proposition
V-ing form
I can be propositioning you can be propositioning he can be propositioning we can be propositioning you can be propositioning they can be propositioning
Perfect
I can have propositioned you can have propositioned he can have propositioned we can have propositioned you can have propositioned they can have propositioned
V-ing perfect
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
I cannot proposition you cannot proposition he cannot proposition we cannot proposition you cannot proposition they cannot proposition
V-ing form
I cannot be propositioning you cannot be propositioning he cannot be propositioning we cannot be propositioning you cannot be propositioning they cannot be propositioning
Perfect
I cannot have propositioned you cannot have propositioned he cannot have propositioned we cannot have propositioned you cannot have propositioned they cannot have propositioned
V-ing perfect
I cannot have been propositioning you cannot have been propositioning he cannot have been propositioning we cannot have been propositioning you cannot have been propositioning they cannot have been propositioning
Interrogative form
Simple form
can I proposition? can you proposition? can he proposition? can we proposition? can you proposition? can they proposition?
V-ing form
can I be propositioning? can you be propositioning? can he be propositioning? can we be propositioning? can you be propositioning? can they be propositioning?
Perfect
can I have propositioned? can you have propositioned? can he have propositioned? can we have propositioned? can you have propositioned? can they have propositioned?
V-ing perfect
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
can I not proposition? can you not proposition? can he not proposition? can we not proposition? can you not proposition? can they not proposition?
V-ing form
can I not be propositioning? can you not be propositioning? can he not be propositioning? can we not be propositioning? can you not be propositioning? can they not be propositioning?
Perfect
can I not have propositioned? can you not have propositioned? can he not have propositioned? can we not have propositioned? can you not have propositioned? can they not have propositioned?
V-ing perfect
can I not have been propositioning? can you not have been propositioning? can he not have been propositioning? can we not have been propositioning? can you not have been propositioning? can they not have been propositioning?