can barricade
Regular verb: barricade - barricaded- barricaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can barricade
you can barricade
he can barricade
we can barricade
you can barricade
they can barricade 	I can be barricading
you can be barricading
he can be barricading
we can be barricading
you can be barricading
they can be barricading	I can have barricaded
you can have barricaded
he can have barricaded
we can have barricaded
you can have barricaded
they can have barricaded	I can have been barricading
you can have been barricading
he can have been barricading
we can have been barricading
you can have been barricading
they can have been barricading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot barricade
you cannot barricade
he cannot barricade
we cannot barricade
you cannot barricade
they cannot barricade 	I cannot be barricading
you cannot be barricading
he cannot be barricading
we cannot be barricading
you cannot be barricading
they cannot be barricading	I cannot have barricaded
you cannot have barricaded
he cannot have barricaded
we cannot have barricaded
you cannot have barricaded
they cannot have barricaded	I cannot have been barricading
you cannot have been barricading
he cannot have been barricading
we cannot have been barricading
you cannot have been barricading
they cannot have been barricading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I barricade?
can you barricade?
can he barricade?
can we barricade?
can you barricade?
can they barricade? 	can I be barricading?
can you be barricading?
can he be barricading?
can we be barricading?
can you be barricading?
can they be barricading? 	can I have barricaded?
can you have barricaded?
can he have barricaded?
can we have barricaded?
can you have barricaded?
can they have barricaded? 	can I have been barricading?
can you have been barricading?
can he have been barricading?
can we have been barricading?
can you have been barricading?
can they have been barricading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not barricade?
can you not barricade?
can he not barricade?
can we not barricade?
can you not barricade?
can they not barricade? 	can I not be barricading?
can you not be barricading?
can he not be barricading?
can we not be barricading?
can you not be barricading?
can they not be barricading? 	can I not have barricaded?
can you not have barricaded?
can he not have barricaded?
can we not have barricaded?
can you not have barricaded?
can they not have barricaded? 	can I not have been barricading?
can you not have been barricading?
can he not have been barricading?
can we not have been barricading?
can you not have been barricading?
can they not have been barricading?