English verb conjugation
CAN UNSHEATHE

Regular verb: unsheathe - unsheathed - unsheathed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?