English verb conjugation
COULD SUNDER

Regular verb: sunder - sundered - sundered

Affirmation

Simple form	V-ing form
I could sunder you could sunder she could sunder we could sunder you could sunder they could sunder	I could be sundering you could be sundering she could be sundering we could be sundering you could be sundering they could be sundering
Perfect	V-ing perfect
I could have sundered you could have sundered she could have sundered we could have sundered you could have sundered they could have sundered	I could have been sundering you could have been sundering she could have been sundering we could have been sundering you could have been sundering they could have been sundering

Negation

Simple form	V-ing form
I couldn't sunder you couldn't sunder she couldn't sunder we couldn't sunder you couldn't sunder they couldn't sunder	I couldn't be sundering you couldn't be sundering she couldn't be sundering we couldn't be sundering you couldn't be sundering they couldn't be sundering
Perfect	V-ing perfect
I couldn't have sundered you couldn't have sundered she couldn't have sundered we couldn't have sundered you couldn't have sundered they couldn't have sundered	I couldn't have been sundering you couldn't have been sundering she couldn't have been sundering we couldn't have been sundering you couldn't have been sundering they couldn't have been sundering

Interrogative form

Simple form	V-ing form
could I sunder? could you sunder? could she sunder? could we sunder? could you sunder? could they sunder?	could I be sundering? could you be sundering? could she be sundering? could we be sundering? could you be sundering? could they be sundering?
Perfect	V-ing perfect
could I have sundered? could you have sundered? could she have sundered? could we have sundered? could you have sundered? could they have sundered?	could I have been sundering? could you have been sundering? could she have been sundering? could we have been sundering? could you have been sundering? could they have been sundering?

Interro-negative form

Simple form	V-ing form
couldn't I sunder? couldn't you sunder? couldn't she sunder? couldn't we sunder? couldn't you sunder? couldn't they sunder?	couldn't I be sundering? couldn't you be sundering? couldn't she be sundering? couldn't we be sundering? couldn't you be sundering? couldn't they be sundering?
Perfect	V-ing perfect
couldn't I have sundered? couldn't you have sundered? couldn't she have sundered? couldn't we have sundered? couldn't you have sundered? couldn't they have sundered?	couldn't I have been sundering? couldn't you have been sundering? couldn't she have been sundering? couldn't we have been sundering? couldn't you have been sundering? couldn't they have been sundering?