English verb conjugation
COULD UNSHIP

Regular verb: unship - unshipped - unshipped

Affirmation

Simple form	V-ing form
I could unship you could unship he could unship we could unship you could unship they could unship	I could be unshipping you could be unshipping he could be unshipping we could be unshipping you could be unshipping they could be unshipping
Perfect	V-ing perfect
I could have unshipped you could have unshipped he could have unshipped we could have unshipped you could have unshipped they could have unshipped	I could have been unshipping you could have been unshipping he could have been unshipping we could have been unshipping you could have been unshipping they could have been unshipping

Negation

Simple form	V-ing form
I couldn't unship you couldn't unship he couldn't unship we couldn't unship you couldn't unship they couldn't unship	I couldn't be unshipping you couldn't be unshipping he couldn't be unshipping we couldn't be unshipping you couldn't be unshipping they couldn't be unshipping
Perfect	V-ing perfect
I couldn't have unshipped you couldn't have unshipped he couldn't have unshipped we couldn't have unshipped you couldn't have unshipped they couldn't have unshipped	I couldn't have been unshipping you couldn't have been unshipping he couldn't have been unshipping we couldn't have been unshipping you couldn't have been unshipping they couldn't have been unshipping

Interrogative form

Simple form	V-ing form
could I unship? could you unship? could he unship? could we unship? could you unship? could they unship?	could I be unshipping? could you be unshipping? could he be unshipping? could we be unshipping? could you be unshipping? could they be unshipping?
Perfect	V-ing perfect
could I have unshipped? could you have unshipped? could he have unshipped? could we have unshipped? could you have unshipped? could they have unshipped?	could I have been unshipping? could you have been unshipping? could he have been unshipping? could we have been unshipping? could you have been unshipping? could they have been unshipping?

Interro-negative form

Simple form	V-ing form
couldn't I unship? couldn't you unship? couldn't he unship? couldn't we unship? couldn't you unship? couldn't they unship?	couldn't I be unshipping? couldn't you be unshipping? couldn't he be unshipping? couldn't we be unshipping? couldn't you be unshipping? couldn't they be unshipping?
Perfect	V-ing perfect
couldn't I have unshipped? couldn't you have unshipped? couldn't he have unshipped? couldn't we have unshipped? couldn't you have unshipped? couldn't they have unshipped?	couldn't I have been unshipping? couldn't you have been unshipping? couldn't he have been unshipping? couldn't we have been unshipping? couldn't you have been unshipping? couldn't they have been unshipping?