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