can propose
Verbo regular: propose - proposed- proposed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can propose
you can propose
he can propose
we can propose
you can propose
they can propose 	I can be proposing
you can be proposing
he can be proposing
we can be proposing
you can be proposing
they can be proposing	I can have proposed
you can have proposed
he can have proposed
we can have proposed
you can have proposed
they can have proposed	I can have been proposing
you can have been proposing
he can have been proposing
we can have been proposing
you can have been proposing
they can have been proposing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't propose
you can't propose
he can't propose
we can't propose
you can't propose
they can't propose 	I can't be proposing
you can't be proposing
he can't be proposing
we can't be proposing
you can't be proposing
they can't be proposing	I can't have proposed
you can't have proposed
he can't have proposed
we can't have proposed
you can't have proposed
they can't have proposed	I can't have been proposing
you can't have been proposing
he can't have been proposing
we can't have been proposing
you can't have been proposing
they can't have been proposing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I propose?
can you propose?
can he propose?
can we propose?
can you propose?
can they propose? 	can I be proposing?
can you be proposing?
can he be proposing?
can we be proposing?
can you be proposing?
can they be proposing? 	can I have proposed?
can you have proposed?
can he have proposed?
can we have proposed?
can you have proposed?
can they have proposed? 	can I have been proposing?
can you have been proposing?
can he have been proposing?
can we have been proposing?
can you have been proposing?
can they have been proposing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I propose?
can't you propose?
can't he propose?
can't we propose?
can't you propose?
can't they propose? 	can't I be proposing?
can't you be proposing?
can't he be proposing?
can't we be proposing?
can't you be proposing?
can't they be proposing? 	can't I have proposed?
can't you have proposed?
can't he have proposed?
can't we have proposed?
can't you have proposed?
can't they have proposed? 	can't I have been proposing?
can't you have been proposing?
can't he have been proposing?
can't we have been proposing?
can't you have been proposing?
can't they have been proposing?