English verb conjugation
COULD SOP

Regular verb: sop - sopped - sopped

Affirmation

Simple form	V-ing form
I could sop you could sop he could sop we could sop you could sop they could sop	I could be sopping you could be sopping he 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 he 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 he 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 he 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 he 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 he 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 he 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 he sop? could we sop? could you sop? could they sop?	could I be sopping? could you be sopping? could he 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 he 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 he 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 he 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 he 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 he 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 he have been sopping? couldn't we have been sopping? couldn't you have been sopping? couldn't they have been sopping?