English verb conjugation
COULD MASQUERADE

Regular verb: masquerade - masqueraded - masqueraded

Affirmation

Simple form	V-ing form
I could masquerade you could masquerade she could masquerade we could masquerade you could masquerade they could masquerade	I could be masquerading you could be masquerading she could be masquerading we could be masquerading you could be masquerading they could be masquerading
Perfect	V-ing perfect
I could have masqueraded you could have masqueraded she could have masqueraded we could have masqueraded you could have masqueraded they could have masqueraded	I could have been masquerading you could have been masquerading she could have been masquerading we could have been masquerading you could have been masquerading they could have been masquerading

Negation

Simple form	V-ing form
I couldn't masquerade you couldn't masquerade she couldn't masquerade we couldn't masquerade you couldn't masquerade they couldn't masquerade	I couldn't be masquerading you couldn't be masquerading she couldn't be masquerading we couldn't be masquerading you couldn't be masquerading they couldn't be masquerading
Perfect	V-ing perfect
I couldn't have masqueraded you couldn't have masqueraded she couldn't have masqueraded we couldn't have masqueraded you couldn't have masqueraded they couldn't have masqueraded	I couldn't have been masquerading you couldn't have been masquerading she couldn't have been masquerading we couldn't have been masquerading you couldn't have been masquerading they couldn't have been masquerading

Interrogative form

Simple form	V-ing form
could I masquerade? could you masquerade? could she masquerade? could we masquerade? could you masquerade? could they masquerade?	could I be masquerading? could you be masquerading? could she be masquerading? could we be masquerading? could you be masquerading? could they be masquerading?
Perfect	V-ing perfect
could I have masqueraded? could you have masqueraded? could she have masqueraded? could we have masqueraded? could you have masqueraded? could they have masqueraded?	could I have been masquerading? could you have been masquerading? could she have been masquerading? could we have been masquerading? could you have been masquerading? could they have been masquerading?

Interro-negative form

Simple form	V-ing form
couldn't I masquerade? couldn't you masquerade? couldn't she masquerade? couldn't we masquerade? couldn't you masquerade? couldn't they masquerade?	couldn't I be masquerading? couldn't you be masquerading? couldn't she be masquerading? couldn't we be masquerading? couldn't you be masquerading? couldn't they be masquerading?
Perfect	V-ing perfect
couldn't I have masqueraded? couldn't you have masqueraded? couldn't she have masqueraded? couldn't we have masqueraded? couldn't you have masqueraded? couldn't they have masqueraded?	couldn't I have been masquerading? couldn't you have been masquerading? couldn't she have been masquerading? couldn't we have been masquerading? couldn't you have been masquerading? couldn't they have been masquerading?