English verb conjugation
COULD SMEAR

Regular verb: smear - smeared - smeared

Affirmation

Simple form	V-ing form
I could smear you could smear he could smear we could smear you could smear they could smear	I could be smearing you could be smearing he could be smearing we could be smearing you could be smearing they could be smearing
Perfect	V-ing perfect
I could have smeared you could have smeared he could have smeared we could have smeared you could have smeared they could have smeared	I could have been smearing you could have been smearing he could have been smearing we could have been smearing you could have been smearing they could have been smearing

Negation

Simple form	V-ing form
I couldn't smear you couldn't smear he couldn't smear we couldn't smear you couldn't smear they couldn't smear	I couldn't be smearing you couldn't be smearing he couldn't be smearing we couldn't be smearing you couldn't be smearing they couldn't be smearing
Perfect	V-ing perfect
I couldn't have smeared you couldn't have smeared he couldn't have smeared we couldn't have smeared you couldn't have smeared they couldn't have smeared	I couldn't have been smearing you couldn't have been smearing he couldn't have been smearing we couldn't have been smearing you couldn't have been smearing they couldn't have been smearing

Interrogative form

Simple form	V-ing form
could I smear? could you smear? could he smear? could we smear? could you smear? could they smear?	could I be smearing? could you be smearing? could he be smearing? could we be smearing? could you be smearing? could they be smearing?
Perfect	V-ing perfect
could I have smeared? could you have smeared? could he have smeared? could we have smeared? could you have smeared? could they have smeared?	could I have been smearing? could you have been smearing? could he have been smearing? could we have been smearing? could you have been smearing? could they have been smearing?

Interro-negative form

Simple form	V-ing form
couldn't I smear? couldn't you smear? couldn't he smear? couldn't we smear? couldn't you smear? couldn't they smear?	couldn't I be smearing? couldn't you be smearing? couldn't he be smearing? couldn't we be smearing? couldn't you be smearing? couldn't they be smearing?
Perfect	V-ing perfect
couldn't I have smeared? couldn't you have smeared? couldn't he have smeared? couldn't we have smeared? couldn't you have smeared? couldn't they have smeared?	couldn't I have been smearing? couldn't you have been smearing? couldn't he have been smearing? couldn't we have been smearing? couldn't you have been smearing? couldn't they have been smearing?