English verb conjugation
COULD BESMEAR

Regular verb: besmear - besmeared - besmeared

Affirmation

Simple form	V-ing form
I could besmear you could besmear she could besmear we could besmear you could besmear they could besmear	I could be besmearing you could be besmearing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she besmear? could we besmear? could you besmear? could they besmear?	could I be besmearing? could you be besmearing? could she 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 she 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 she 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 she 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 she 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 she 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 she have been besmearing? couldn't we have been besmearing? couldn't you have been besmearing? couldn't they have been besmearing?