I could relandscape you could relandscape she could relandscape we could relandscape you could relandscape they could relandscape
V-ing form
I could be relandscaping you could be relandscaping she could be relandscaping we could be relandscaping you could be relandscaping they could be relandscaping
Perfect
I could have relandscaped you could have relandscaped she could have relandscaped we could have relandscaped you could have relandscaped they could have relandscaped
V-ing perfect
I could have been relandscaping you could have been relandscaping she could have been relandscaping we could have been relandscaping you could have been relandscaping they could have been relandscaping
Negation
Simple form
I could not relandscape you could not relandscape she could not relandscape we could not relandscape you could not relandscape they could not relandscape
V-ing form
I could not be relandscaping you could not be relandscaping she could not be relandscaping we could not be relandscaping you could not be relandscaping they could not be relandscaping
Perfect
I could not have relandscaped you could not have relandscaped she could not have relandscaped we could not have relandscaped you could not have relandscaped they could not have relandscaped
V-ing perfect
I could not have been relandscaping you could not have been relandscaping she could not have been relandscaping we could not have been relandscaping you could not have been relandscaping they could not have been relandscaping
Interrogative form
Simple form
could I relandscape? could you relandscape? could she relandscape? could we relandscape? could you relandscape? could they relandscape?
V-ing form
could I be relandscaping? could you be relandscaping? could she be relandscaping? could we be relandscaping? could you be relandscaping? could they be relandscaping?
Perfect
could I have relandscaped? could you have relandscaped? could she have relandscaped? could we have relandscaped? could you have relandscaped? could they have relandscaped?
V-ing perfect
could I have been relandscaping? could you have been relandscaping? could she have been relandscaping? could we have been relandscaping? could you have been relandscaping? could they have been relandscaping?
Interro-negative form
Simple form
could I not relandscape? could you not relandscape? could she not relandscape? could we not relandscape? could you not relandscape? could they not relandscape?
V-ing form
could I not be relandscaping? could you not be relandscaping? could she not be relandscaping? could we not be relandscaping? could you not be relandscaping? could they not be relandscaping?
Perfect
could I not have relandscaped? could you not have relandscaped? could she not have relandscaped? could we not have relandscaped? could you not have relandscaped? could they not have relandscaped?
V-ing perfect
could I not have been relandscaping? could you not have been relandscaping? could she not have been relandscaping? could we not have been relandscaping? could you not have been relandscaping? could they not have been relandscaping?