English verb conjugation
COULD SMIRK

Regular verb: smirk - smirked - smirked

Affirmation

Simple form	V-ing form
I could smirk you could smirk he could smirk we could smirk you could smirk they could smirk	I could be smirking you could be smirking he could be smirking we could be smirking you could be smirking they could be smirking
Perfect	V-ing perfect
I could have smirked you could have smirked he could have smirked we could have smirked you could have smirked they could have smirked	I could have been smirking you could have been smirking he could have been smirking we could have been smirking you could have been smirking they could have been smirking

Negation

Simple form	V-ing form
I could not smirk you could not smirk he could not smirk we could not smirk you could not smirk they could not smirk	I could not be smirking you could not be smirking he could not be smirking we could not be smirking you could not be smirking they could not be smirking
Perfect	V-ing perfect
I could not have smirked you could not have smirked he could not have smirked we could not have smirked you could not have smirked they could not have smirked	I could not have been smirking you could not have been smirking he could not have been smirking we could not have been smirking you could not have been smirking they could not have been smirking

Interrogative form

Simple form	V-ing form
could I smirk? could you smirk? could he smirk? could we smirk? could you smirk? could they smirk?	could I be smirking? could you be smirking? could he be smirking? could we be smirking? could you be smirking? could they be smirking?
Perfect	V-ing perfect
could I have smirked? could you have smirked? could he have smirked? could we have smirked? could you have smirked? could they have smirked?	could I have been smirking? could you have been smirking? could he have been smirking? could we have been smirking? could you have been smirking? could they have been smirking?

Interro-negative form

Simple form	V-ing form
could I not smirk? could you not smirk? could he not smirk? could we not smirk? could you not smirk? could they not smirk?	could I not be smirking? could you not be smirking? could he not be smirking? could we not be smirking? could you not be smirking? could they not be smirking?
Perfect	V-ing perfect
could I not have smirked? could you not have smirked? could he not have smirked? could we not have smirked? could you not have smirked? could they not have smirked?	could I not have been smirking? could you not have been smirking? could he not have been smirking? could we not have been smirking? could you not have been smirking? could they not have been smirking?