English verb conjugation
COULD UNROUND

Regular verb: unround - unrounded - unrounded

Affirmation

Simple form	V-ing form
I could unround you could unround he could unround we could unround you could unround they could unround	I could be unrounding you could be unrounding he could be unrounding we could be unrounding you could be unrounding they could be unrounding
Perfect	V-ing perfect
I could have unrounded you could have unrounded he could have unrounded we could have unrounded you could have unrounded they could have unrounded	I could have been unrounding you could have been unrounding he could have been unrounding we could have been unrounding you could have been unrounding they could have been unrounding

Negation

Simple form	V-ing form
I couldn't unround you couldn't unround he couldn't unround we couldn't unround you couldn't unround they couldn't unround	I couldn't be unrounding you couldn't be unrounding he couldn't be unrounding we couldn't be unrounding you couldn't be unrounding they couldn't be unrounding
Perfect	V-ing perfect
I couldn't have unrounded you couldn't have unrounded he couldn't have unrounded we couldn't have unrounded you couldn't have unrounded they couldn't have unrounded	I couldn't have been unrounding you couldn't have been unrounding he couldn't have been unrounding we couldn't have been unrounding you couldn't have been unrounding they couldn't have been unrounding

Interrogative form

Simple form	V-ing form
could I unround? could you unround? could he unround? could we unround? could you unround? could they unround?	could I be unrounding? could you be unrounding? could he be unrounding? could we be unrounding? could you be unrounding? could they be unrounding?
Perfect	V-ing perfect
could I have unrounded? could you have unrounded? could he have unrounded? could we have unrounded? could you have unrounded? could they have unrounded?	could I have been unrounding? could you have been unrounding? could he have been unrounding? could we have been unrounding? could you have been unrounding? could they have been unrounding?

Interro-negative form

Simple form	V-ing form
couldn't I unround? couldn't you unround? couldn't he unround? couldn't we unround? couldn't you unround? couldn't they unround?	couldn't I be unrounding? couldn't you be unrounding? couldn't he be unrounding? couldn't we be unrounding? couldn't you be unrounding? couldn't they be unrounding?
Perfect	V-ing perfect
couldn't I have unrounded? couldn't you have unrounded? couldn't he have unrounded? couldn't we have unrounded? couldn't you have unrounded? couldn't they have unrounded?	couldn't I have been unrounding? couldn't you have been unrounding? couldn't he have been unrounding? couldn't we have been unrounding? couldn't you have been unrounding? couldn't they have been unrounding?