English verb conjugation
COULD SIMPER

Regular verb: simper - simpered - simpered

Affirmation

Simple form	V-ing form
I could simper you could simper she could simper we could simper you could simper they could simper	I could be simpering you could be simpering she could be simpering we could be simpering you could be simpering they could be simpering
Perfect	V-ing perfect
I could have simpered you could have simpered she could have simpered we could have simpered you could have simpered they could have simpered	I could have been simpering you could have been simpering she could have been simpering we could have been simpering you could have been simpering they could have been simpering

Negation

Simple form	V-ing form
I couldn't simper you couldn't simper she couldn't simper we couldn't simper you couldn't simper they couldn't simper	I couldn't be simpering you couldn't be simpering she couldn't be simpering we couldn't be simpering you couldn't be simpering they couldn't be simpering
Perfect	V-ing perfect
I couldn't have simpered you couldn't have simpered she couldn't have simpered we couldn't have simpered you couldn't have simpered they couldn't have simpered	I couldn't have been simpering you couldn't have been simpering she couldn't have been simpering we couldn't have been simpering you couldn't have been simpering they couldn't have been simpering

Interrogative form

Simple form	V-ing form
could I simper? could you simper? could she simper? could we simper? could you simper? could they simper?	could I be simpering? could you be simpering? could she be simpering? could we be simpering? could you be simpering? could they be simpering?
Perfect	V-ing perfect
could I have simpered? could you have simpered? could she have simpered? could we have simpered? could you have simpered? could they have simpered?	could I have been simpering? could you have been simpering? could she have been simpering? could we have been simpering? could you have been simpering? could they have been simpering?

Interro-negative form

Simple form	V-ing form
couldn't I simper? couldn't you simper? couldn't she simper? couldn't we simper? couldn't you simper? couldn't they simper?	couldn't I be simpering? couldn't you be simpering? couldn't she be simpering? couldn't we be simpering? couldn't you be simpering? couldn't they be simpering?
Perfect	V-ing perfect
couldn't I have simpered? couldn't you have simpered? couldn't she have simpered? couldn't we have simpered? couldn't you have simpered? couldn't they have simpered?	couldn't I have been simpering? couldn't you have been simpering? couldn't she have been simpering? couldn't we have been simpering? couldn't you have been simpering? couldn't they have been simpering?