can unsheathe
Regular verb: unsheathe - unsheathed- unsheathed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can unsheathe
you can unsheathe
he can unsheathe
we can unsheathe
you can unsheathe
they can unsheathe 	I can be unsheathing
you can be unsheathing
he can be unsheathing
we can be unsheathing
you can be unsheathing
they can be unsheathing	I can have unsheathed
you can have unsheathed
he can have unsheathed
we can have unsheathed
you can have unsheathed
they can have unsheathed	I can have been unsheathing
you can have been unsheathing
he can have been unsheathing
we can have been unsheathing
you can have been unsheathing
they can have been unsheathing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't unsheathe
you can't unsheathe
he can't unsheathe
we can't unsheathe
you can't unsheathe
they can't unsheathe 	I can't be unsheathing
you can't be unsheathing
he can't be unsheathing
we can't be unsheathing
you can't be unsheathing
they can't be unsheathing	I can't have unsheathed
you can't have unsheathed
he can't have unsheathed
we can't have unsheathed
you can't have unsheathed
they can't have unsheathed	I can't have been unsheathing
you can't have been unsheathing
he can't have been unsheathing
we can't have been unsheathing
you can't have been unsheathing
they can't have been unsheathing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I unsheathe?
can you unsheathe?
can he unsheathe?
can we unsheathe?
can you unsheathe?
can they unsheathe? 	can I be unsheathing?
can you be unsheathing?
can he be unsheathing?
can we be unsheathing?
can you be unsheathing?
can they be unsheathing? 	can I have unsheathed?
can you have unsheathed?
can he have unsheathed?
can we have unsheathed?
can you have unsheathed?
can they have unsheathed? 	can I have been unsheathing?
can you have been unsheathing?
can he have been unsheathing?
can we have been unsheathing?
can you have been unsheathing?
can they have been unsheathing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I unsheathe?
can't you unsheathe?
can't he unsheathe?
can't we unsheathe?
can't you unsheathe?
can't they unsheathe? 	can't I be unsheathing?
can't you be unsheathing?
can't he be unsheathing?
can't we be unsheathing?
can't you be unsheathing?
can't they be unsheathing? 	can't I have unsheathed?
can't you have unsheathed?
can't he have unsheathed?
can't we have unsheathed?
can't you have unsheathed?
can't they have unsheathed? 	can't I have been unsheathing?
can't you have been unsheathing?
can't he have been unsheathing?
can't we have been unsheathing?
can't you have been unsheathing?
can't they have been unsheathing?