English verb conjugation
COULD PLACATE

Regular verb: placate - placated - placated

Affirmation

Simple form	V-ing form
I could placate you could placate he could placate we could placate you could placate they could placate	I could be placating you could be placating he could be placating we could be placating you could be placating they could be placating
Perfect	V-ing perfect
I could have placated you could have placated he could have placated we could have placated you could have placated they could have placated	I could have been placating you could have been placating he could have been placating we could have been placating you could have been placating they could have been placating

Negation

Simple form	V-ing form
I couldn't placate you couldn't placate he couldn't placate we couldn't placate you couldn't placate they couldn't placate	I couldn't be placating you couldn't be placating he couldn't be placating we couldn't be placating you couldn't be placating they couldn't be placating
Perfect	V-ing perfect
I couldn't have placated you couldn't have placated he couldn't have placated we couldn't have placated you couldn't have placated they couldn't have placated	I couldn't have been placating you couldn't have been placating he couldn't have been placating we couldn't have been placating you couldn't have been placating they couldn't have been placating

Interrogative form

Simple form	V-ing form
could I placate? could you placate? could he placate? could we placate? could you placate? could they placate?	could I be placating? could you be placating? could he be placating? could we be placating? could you be placating? could they be placating?
Perfect	V-ing perfect
could I have placated? could you have placated? could he have placated? could we have placated? could you have placated? could they have placated?	could I have been placating? could you have been placating? could he have been placating? could we have been placating? could you have been placating? could they have been placating?

Interro-negative form

Simple form	V-ing form
couldn't I placate? couldn't you placate? couldn't he placate? couldn't we placate? couldn't you placate? couldn't they placate?	couldn't I be placating? couldn't you be placating? couldn't he be placating? couldn't we be placating? couldn't you be placating? couldn't they be placating?
Perfect	V-ing perfect
couldn't I have placated? couldn't you have placated? couldn't he have placated? couldn't we have placated? couldn't you have placated? couldn't they have placated?	couldn't I have been placating? couldn't you have been placating? couldn't he have been placating? couldn't we have been placating? couldn't you have been placating? couldn't they have been placating?