English verb conjugation
COULD SURCEASE

Regular verb: surcease - surceased - surceased

Affirmation

Simple form	V-ing form
I could surcease you could surcease he could surcease we could surcease you could surcease they could surcease	I could be surceasing you could be surceasing he could be surceasing we could be surceasing you could be surceasing they could be surceasing
Perfect	V-ing perfect
I could have surceased you could have surceased he could have surceased we could have surceased you could have surceased they could have surceased	I could have been surceasing you could have been surceasing he could have been surceasing we could have been surceasing you could have been surceasing they could have been surceasing

Negation

Simple form	V-ing form
I couldn't surcease you couldn't surcease he couldn't surcease we couldn't surcease you couldn't surcease they couldn't surcease	I couldn't be surceasing you couldn't be surceasing he couldn't be surceasing we couldn't be surceasing you couldn't be surceasing they couldn't be surceasing
Perfect	V-ing perfect
I couldn't have surceased you couldn't have surceased he couldn't have surceased we couldn't have surceased you couldn't have surceased they couldn't have surceased	I couldn't have been surceasing you couldn't have been surceasing he couldn't have been surceasing we couldn't have been surceasing you couldn't have been surceasing they couldn't have been surceasing

Interrogative form

Simple form	V-ing form
could I surcease? could you surcease? could he surcease? could we surcease? could you surcease? could they surcease?	could I be surceasing? could you be surceasing? could he be surceasing? could we be surceasing? could you be surceasing? could they be surceasing?
Perfect	V-ing perfect
could I have surceased? could you have surceased? could he have surceased? could we have surceased? could you have surceased? could they have surceased?	could I have been surceasing? could you have been surceasing? could he have been surceasing? could we have been surceasing? could you have been surceasing? could they have been surceasing?

Interro-negative form

Simple form	V-ing form
couldn't I surcease? couldn't you surcease? couldn't he surcease? couldn't we surcease? couldn't you surcease? couldn't they surcease?	couldn't I be surceasing? couldn't you be surceasing? couldn't he be surceasing? couldn't we be surceasing? couldn't you be surceasing? couldn't they be surceasing?
Perfect	V-ing perfect
couldn't I have surceased? couldn't you have surceased? couldn't he have surceased? couldn't we have surceased? couldn't you have surceased? couldn't they have surceased?	couldn't I have been surceasing? couldn't you have been surceasing? couldn't he have been surceasing? couldn't we have been surceasing? couldn't you have been surceasing? couldn't they have been surceasing?