English verb conjugation
COULD BESMEAR

Regular verb: besmear - besmeared - besmeared

Affirmation

Simple form	V-ing form
I could besmear you could besmear he could besmear we could besmear you could besmear they could besmear	I could be besmearing you could be besmearing he could be besmearing we could be besmearing you could be besmearing they could be besmearing
Perfect	V-ing perfect
I could have besmeared you could have besmeared he could have besmeared we could have besmeared you could have besmeared they could have besmeared	I could have been besmearing you could have been besmearing he could have been besmearing we could have been besmearing you could have been besmearing they could have been besmearing

Negation

Simple form	V-ing form
I couldn't besmear you couldn't besmear he couldn't besmear we couldn't besmear you couldn't besmear they couldn't besmear	I couldn't be besmearing you couldn't be besmearing he couldn't be besmearing we couldn't be besmearing you couldn't be besmearing they couldn't be besmearing
Perfect	V-ing perfect
I couldn't have besmeared you couldn't have besmeared he couldn't have besmeared we couldn't have besmeared you couldn't have besmeared they couldn't have besmeared	I couldn't have been besmearing you couldn't have been besmearing he couldn't have been besmearing we couldn't have been besmearing you couldn't have been besmearing they couldn't have been besmearing

Interrogative form

Simple form	V-ing form
could I besmear? could you besmear? could he besmear? could we besmear? could you besmear? could they besmear?	could I be besmearing? could you be besmearing? could he be besmearing? could we be besmearing? could you be besmearing? could they be besmearing?
Perfect	V-ing perfect
could I have besmeared? could you have besmeared? could he have besmeared? could we have besmeared? could you have besmeared? could they have besmeared?	could I have been besmearing? could you have been besmearing? could he have been besmearing? could we have been besmearing? could you have been besmearing? could they have been besmearing?

Interro-negative form

Simple form	V-ing form
couldn't I besmear? couldn't you besmear? couldn't he besmear? couldn't we besmear? couldn't you besmear? couldn't they besmear?	couldn't I be besmearing? couldn't you be besmearing? couldn't he be besmearing? couldn't we be besmearing? couldn't you be besmearing? couldn't they be besmearing?
Perfect	V-ing perfect
couldn't I have besmeared? couldn't you have besmeared? couldn't he have besmeared? couldn't we have besmeared? couldn't you have besmeared? couldn't they have besmeared?	couldn't I have been besmearing? couldn't you have been besmearing? couldn't he have been besmearing? couldn't we have been besmearing? couldn't you have been besmearing? couldn't they have been besmearing?