English verb conjugation
COULD MENACE

Regular verb: menace - menaced - menaced

Affirmation

Simple form	V-ing form
I could menace you could menace he could menace we could menace you could menace they could menace	I could be menacing you could be menacing he could be menacing we could be menacing you could be menacing they could be menacing
Perfect	V-ing perfect
I could have menaced you could have menaced he could have menaced we could have menaced you could have menaced they could have menaced	I could have been menacing you could have been menacing he could have been menacing we could have been menacing you could have been menacing they could have been menacing

Negation

Simple form	V-ing form
I couldn't menace you couldn't menace he couldn't menace we couldn't menace you couldn't menace they couldn't menace	I couldn't be menacing you couldn't be menacing he couldn't be menacing we couldn't be menacing you couldn't be menacing they couldn't be menacing
Perfect	V-ing perfect
I couldn't have menaced you couldn't have menaced he couldn't have menaced we couldn't have menaced you couldn't have menaced they couldn't have menaced	I couldn't have been menacing you couldn't have been menacing he couldn't have been menacing we couldn't have been menacing you couldn't have been menacing they couldn't have been menacing

Interrogative form

Simple form	V-ing form
could I menace? could you menace? could he menace? could we menace? could you menace? could they menace?	could I be menacing? could you be menacing? could he be menacing? could we be menacing? could you be menacing? could they be menacing?
Perfect	V-ing perfect
could I have menaced? could you have menaced? could he have menaced? could we have menaced? could you have menaced? could they have menaced?	could I have been menacing? could you have been menacing? could he have been menacing? could we have been menacing? could you have been menacing? could they have been menacing?

Interro-negative form

Simple form	V-ing form
couldn't I menace? couldn't you menace? couldn't he menace? couldn't we menace? couldn't you menace? couldn't they menace?	couldn't I be menacing? couldn't you be menacing? couldn't he be menacing? couldn't we be menacing? couldn't you be menacing? couldn't they be menacing?
Perfect	V-ing perfect
couldn't I have menaced? couldn't you have menaced? couldn't he have menaced? couldn't we have menaced? couldn't you have menaced? couldn't they have menaced?	couldn't I have been menacing? couldn't you have been menacing? couldn't he have been menacing? couldn't we have been menacing? couldn't you have been menacing? couldn't they have been menacing?