Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could appease. placate you could appease. placate she could appease. placate we could appease. placate you could appease. placate they could appease. placate
V-ing form
I could be appease. placating you could be appease. placating she could be appease. placating we could be appease. placating you could be appease. placating they could be appease. placating
Perfect
I could have appease. placated you could have appease. placated she could have appease. placated we could have appease. placated you could have appease. placated they could have appease. placated
V-ing perfect
I could have been appease. placating you could have been appease. placating she could have been appease. placating we could have been appease. placating you could have been appease. placating they could have been appease. placating
Negation
Simple form
I couldn't appease. placate you couldn't appease. placate she couldn't appease. placate we couldn't appease. placate you couldn't appease. placate they couldn't appease. placate
V-ing form
I couldn't be appease. placating you couldn't be appease. placating she couldn't be appease. placating we couldn't be appease. placating you couldn't be appease. placating they couldn't be appease. placating
Perfect
I couldn't have appease. placated you couldn't have appease. placated she couldn't have appease. placated we couldn't have appease. placated you couldn't have appease. placated they couldn't have appease. placated
V-ing perfect
I couldn't have been appease. placating you couldn't have been appease. placating she couldn't have been appease. placating we couldn't have been appease. placating you couldn't have been appease. placating they couldn't have been appease. placating
Interrogative form
Simple form
could I appease. placate? could you appease. placate? could she appease. placate? could we appease. placate? could you appease. placate? could they appease. placate?
V-ing form
could I be appease. placating? could you be appease. placating? could she be appease. placating? could we be appease. placating? could you be appease. placating? could they be appease. placating?
Perfect
could I have appease. placated? could you have appease. placated? could she have appease. placated? could we have appease. placated? could you have appease. placated? could they have appease. placated?
V-ing perfect
could I have been appease. placating? could you have been appease. placating? could she have been appease. placating? could we have been appease. placating? could you have been appease. placating? could they have been appease. placating?
Interro-negative form
Simple form
couldn't I appease. placate? couldn't you appease. placate? couldn't she appease. placate? couldn't we appease. placate? couldn't you appease. placate? couldn't they appease. placate?
V-ing form
couldn't I be appease. placating? couldn't you be appease. placating? couldn't she be appease. placating? couldn't we be appease. placating? couldn't you be appease. placating? couldn't they be appease. placating?
Perfect
couldn't I have appease. placated? couldn't you have appease. placated? couldn't she have appease. placated? couldn't we have appease. placated? couldn't you have appease. placated? couldn't they have appease. placated?
V-ing perfect
couldn't I have been appease. placating? couldn't you have been appease. placating? couldn't she have been appease. placating? couldn't we have been appease. placating? couldn't you have been appease. placating? couldn't they have been appease. placating?