English verb conjugation
COULD SOP

Regular verb: sop - sopped - sopped

Affirmation

Simple form	V-ing form
I could sop you could sop she could sop we could sop you could sop they could sop	I could be sopping you could be sopping she could be sopping we could be sopping you could be sopping they could be sopping
Perfect	V-ing perfect
I could have sopped you could have sopped she could have sopped we could have sopped you could have sopped they could have sopped	I could have been sopping you could have been sopping she could have been sopping we could have been sopping you could have been sopping they could have been sopping

Negation

Simple form	V-ing form
I couldn't sop you couldn't sop she couldn't sop we couldn't sop you couldn't sop they couldn't sop	I couldn't be sopping you couldn't be sopping she couldn't be sopping we couldn't be sopping you couldn't be sopping they couldn't be sopping
Perfect	V-ing perfect
I couldn't have sopped you couldn't have sopped she couldn't have sopped we couldn't have sopped you couldn't have sopped they couldn't have sopped	I couldn't have been sopping you couldn't have been sopping she couldn't have been sopping we couldn't have been sopping you couldn't have been sopping they couldn't have been sopping

Interrogative form

Simple form	V-ing form
could I sop? could you sop? could she sop? could we sop? could you sop? could they sop?	could I be sopping? could you be sopping? could she be sopping? could we be sopping? could you be sopping? could they be sopping?
Perfect	V-ing perfect
could I have sopped? could you have sopped? could she have sopped? could we have sopped? could you have sopped? could they have sopped?	could I have been sopping? could you have been sopping? could she have been sopping? could we have been sopping? could you have been sopping? could they have been sopping?

Interro-negative form

Simple form	V-ing form
couldn't I sop? couldn't you sop? couldn't she sop? couldn't we sop? couldn't you sop? couldn't they sop?	couldn't I be sopping? couldn't you be sopping? couldn't she be sopping? couldn't we be sopping? couldn't you be sopping? couldn't they be sopping?
Perfect	V-ing perfect
couldn't I have sopped? couldn't you have sopped? couldn't she have sopped? couldn't we have sopped? couldn't you have sopped? couldn't they have sopped?	couldn't I have been sopping? couldn't you have been sopping? couldn't she have been sopping? couldn't we have been sopping? couldn't you have been sopping? couldn't they have been sopping?