can crusade
Regular verb: crusade - crusaded- crusaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can crusade
you can crusade
he can crusade
we can crusade
you can crusade
they can crusade 	I can be crusading
you can be crusading
he can be crusading
we can be crusading
you can be crusading
they can be crusading	I can have crusaded
you can have crusaded
he can have crusaded
we can have crusaded
you can have crusaded
they can have crusaded	I can have been crusading
you can have been crusading
he can have been crusading
we can have been crusading
you can have been crusading
they can have been crusading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't crusade
you can't crusade
he can't crusade
we can't crusade
you can't crusade
they can't crusade 	I can't be crusading
you can't be crusading
he can't be crusading
we can't be crusading
you can't be crusading
they can't be crusading	I can't have crusaded
you can't have crusaded
he can't have crusaded
we can't have crusaded
you can't have crusaded
they can't have crusaded	I can't have been crusading
you can't have been crusading
he can't have been crusading
we can't have been crusading
you can't have been crusading
they can't have been crusading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I crusade?
can you crusade?
can he crusade?
can we crusade?
can you crusade?
can they crusade? 	can I be crusading?
can you be crusading?
can he be crusading?
can we be crusading?
can you be crusading?
can they be crusading? 	can I have crusaded?
can you have crusaded?
can he have crusaded?
can we have crusaded?
can you have crusaded?
can they have crusaded? 	can I have been crusading?
can you have been crusading?
can he have been crusading?
can we have been crusading?
can you have been crusading?
can they have been crusading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I crusade?
can't you crusade?
can't he crusade?
can't we crusade?
can't you crusade?
can't they crusade? 	can't I be crusading?
can't you be crusading?
can't he be crusading?
can't we be crusading?
can't you be crusading?
can't they be crusading? 	can't I have crusaded?
can't you have crusaded?
can't he have crusaded?
can't we have crusaded?
can't you have crusaded?
can't they have crusaded? 	can't I have been crusading?
can't you have been crusading?
can't he have been crusading?
can't we have been crusading?
can't you have been crusading?
can't they have been crusading?