English verb conjugation COULD UNSHEATHE

Regular verb: unsheathe - unsheathed - unsheathed

Affirmation

Simple form

I could unsheathe
you could unsheathe
he could unsheathe
we could unsheathe
you could unsheathe
they could unsheathe

V-ing form

I could be unsheathing
you could be unsheathing
he could be unsheathing
we could be unsheathing
you could be unsheathing
they could be unsheathing

Perfect

I could have unsheathed
you could have unsheathed
he could have unsheathed
we could have unsheathed
you could have unsheathed
they could have unsheathed

V-ing perfect

I could have been unsheathing
you could have been unsheathing
he could have been unsheathing
we could have been unsheathing
you could have been unsheathing
they could have been unsheathing

Negation

Simple form

I couldn't unsheathe
you couldn't unsheathe
he couldn't unsheathe
we couldn't unsheathe
you couldn't unsheathe
they couldn't unsheathe

V-ing form

I couldn't be unsheathing
you couldn't be unsheathing
he couldn't be unsheathing
we couldn't be unsheathing
you couldn't be unsheathing
they couldn't be unsheathing

Perfect

I couldn't have unsheathed
you couldn't have unsheathed
he couldn't have unsheathed
we couldn't have unsheathed
you couldn't have unsheathed
they couldn't have unsheathed

V-ing perfect

I couldn't have been unsheathing
you couldn't have been unsheathing
he couldn't have been unsheathing
we couldn't have been unsheathing
you couldn't have been unsheathing
they couldn't have been unsheathing

Interrogative form

Simple form

could I unsheathe?
could you unsheathe?
could he unsheathe?
could we unsheathe?
could you unsheathe?
could they unsheathe?

V-ing form

could I be unsheathing?
could you be unsheathing?
could he be unsheathing?
could we be unsheathing?
could you be unsheathing?
could they be unsheathing?

Perfect

could I have unsheathed?
could you have unsheathed?
could he have unsheathed?
could we have unsheathed?
could you have unsheathed?
could they have unsheathed?

V-ing perfect

could I have been unsheathing?
could you have been unsheathing?
could he have been unsheathing?
could we have been unsheathing?
could you have been unsheathing?
could they have been unsheathing?

Interro-negative form

Simple form

couldn't I unsheathe?
couldn't you unsheathe?
couldn't he unsheathe?
couldn't we unsheathe?
couldn't you unsheathe?
couldn't they unsheathe?

V-ing form

couldn't I be unsheathing?
couldn't you be unsheathing?
couldn't he be unsheathing?
couldn't we be unsheathing?
couldn't you be unsheathing?
couldn't they be unsheathing?

Perfect

couldn't I have unsheathed?
couldn't you have unsheathed?
couldn't he have unsheathed?
couldn't we have unsheathed?
couldn't you have unsheathed?
couldn't they have unsheathed?

V-ing perfect

couldn't I have been unsheathing?
couldn't you have been unsheathing?
couldn't he have been unsheathing?
couldn't we have been unsheathing?
couldn't you have been unsheathing?
couldn't they have been unsheathing?

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