Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could appease. placate you could appease. placate he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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?