I could mistreat you could mistreat she could mistreat we could mistreat you could mistreat they could mistreat
V-ing form
I could be mistreating you could be mistreating she could be mistreating we could be mistreating you could be mistreating they could be mistreating
Perfect
I could have mistreated you could have mistreated she could have mistreated we could have mistreated you could have mistreated they could have mistreated
V-ing perfect
I could have been mistreating you could have been mistreating she could have been mistreating we could have been mistreating you could have been mistreating they could have been mistreating
Negation
Simple form
I couldn't mistreat you couldn't mistreat she couldn't mistreat we couldn't mistreat you couldn't mistreat they couldn't mistreat
V-ing form
I couldn't be mistreating you couldn't be mistreating she couldn't be mistreating we couldn't be mistreating you couldn't be mistreating they couldn't be mistreating
Perfect
I couldn't have mistreated you couldn't have mistreated she couldn't have mistreated we couldn't have mistreated you couldn't have mistreated they couldn't have mistreated
V-ing perfect
I couldn't have been mistreating you couldn't have been mistreating she couldn't have been mistreating we couldn't have been mistreating you couldn't have been mistreating they couldn't have been mistreating
Interrogative form
Simple form
could I mistreat? could you mistreat? could she mistreat? could we mistreat? could you mistreat? could they mistreat?
V-ing form
could I be mistreating? could you be mistreating? could she be mistreating? could we be mistreating? could you be mistreating? could they be mistreating?
Perfect
could I have mistreated? could you have mistreated? could she have mistreated? could we have mistreated? could you have mistreated? could they have mistreated?
V-ing perfect
could I have been mistreating? could you have been mistreating? could she have been mistreating? could we have been mistreating? could you have been mistreating? could they have been mistreating?
Interro-negative form
Simple form
couldn't I mistreat? couldn't you mistreat? couldn't she mistreat? couldn't we mistreat? couldn't you mistreat? couldn't they mistreat?
V-ing form
couldn't I be mistreating? couldn't you be mistreating? couldn't she be mistreating? couldn't we be mistreating? couldn't you be mistreating? couldn't they be mistreating?
Perfect
couldn't I have mistreated? couldn't you have mistreated? couldn't she have mistreated? couldn't we have mistreated? couldn't you have mistreated? couldn't they have mistreated?
V-ing perfect
couldn't I have been mistreating? couldn't you have been mistreating? couldn't she have been mistreating? couldn't we have been mistreating? couldn't you have been mistreating? couldn't they have been mistreating?