English verb conjugation
COULD SMOLDER

Regular verb: smolder - smoldered - smoldered

Affirmation

Simple form	V-ing form
I could smolder you could smolder he could smolder we could smolder you could smolder they could smolder	I could be smoldering you could be smoldering he could be smoldering we could be smoldering you could be smoldering they could be smoldering
Perfect	V-ing perfect
I could have smoldered you could have smoldered he could have smoldered we could have smoldered you could have smoldered they could have smoldered	I could have been smoldering you could have been smoldering he could have been smoldering we could have been smoldering you could have been smoldering they could have been smoldering

Negation

Simple form	V-ing form
I couldn't smolder you couldn't smolder he couldn't smolder we couldn't smolder you couldn't smolder they couldn't smolder	I couldn't be smoldering you couldn't be smoldering he couldn't be smoldering we couldn't be smoldering you couldn't be smoldering they couldn't be smoldering
Perfect	V-ing perfect
I couldn't have smoldered you couldn't have smoldered he couldn't have smoldered we couldn't have smoldered you couldn't have smoldered they couldn't have smoldered	I couldn't have been smoldering you couldn't have been smoldering he couldn't have been smoldering we couldn't have been smoldering you couldn't have been smoldering they couldn't have been smoldering

Interrogative form

Simple form	V-ing form
could I smolder? could you smolder? could he smolder? could we smolder? could you smolder? could they smolder?	could I be smoldering? could you be smoldering? could he be smoldering? could we be smoldering? could you be smoldering? could they be smoldering?
Perfect	V-ing perfect
could I have smoldered? could you have smoldered? could he have smoldered? could we have smoldered? could you have smoldered? could they have smoldered?	could I have been smoldering? could you have been smoldering? could he have been smoldering? could we have been smoldering? could you have been smoldering? could they have been smoldering?

Interro-negative form

Simple form	V-ing form
couldn't I smolder? couldn't you smolder? couldn't he smolder? couldn't we smolder? couldn't you smolder? couldn't they smolder?	couldn't I be smoldering? couldn't you be smoldering? couldn't he be smoldering? couldn't we be smoldering? couldn't you be smoldering? couldn't they be smoldering?
Perfect	V-ing perfect
couldn't I have smoldered? couldn't you have smoldered? couldn't he have smoldered? couldn't we have smoldered? couldn't you have smoldered? couldn't they have smoldered?	couldn't I have been smoldering? couldn't you have been smoldering? couldn't he have been smoldering? couldn't we have been smoldering? couldn't you have been smoldering? couldn't they have been smoldering?