I could rearrange you could rearrange he could rearrange we could rearrange you could rearrange they could rearrange
V-ing form
I could be rearranging you could be rearranging he could be rearranging we could be rearranging you could be rearranging they could be rearranging
Perfect
I could have rearranged you could have rearranged he could have rearranged we could have rearranged you could have rearranged they could have rearranged
V-ing perfect
I could have been rearranging you could have been rearranging he could have been rearranging we could have been rearranging you could have been rearranging they could have been rearranging
Negation
Simple form
I couldn't rearrange you couldn't rearrange he couldn't rearrange we couldn't rearrange you couldn't rearrange they couldn't rearrange
V-ing form
I couldn't be rearranging you couldn't be rearranging he couldn't be rearranging we couldn't be rearranging you couldn't be rearranging they couldn't be rearranging
Perfect
I couldn't have rearranged you couldn't have rearranged he couldn't have rearranged we couldn't have rearranged you couldn't have rearranged they couldn't have rearranged
V-ing perfect
I couldn't have been rearranging you couldn't have been rearranging he couldn't have been rearranging we couldn't have been rearranging you couldn't have been rearranging they couldn't have been rearranging
Interrogative form
Simple form
could I rearrange? could you rearrange? could he rearrange? could we rearrange? could you rearrange? could they rearrange?
V-ing form
could I be rearranging? could you be rearranging? could he be rearranging? could we be rearranging? could you be rearranging? could they be rearranging?
Perfect
could I have rearranged? could you have rearranged? could he have rearranged? could we have rearranged? could you have rearranged? could they have rearranged?
V-ing perfect
could I have been rearranging? could you have been rearranging? could he have been rearranging? could we have been rearranging? could you have been rearranging? could they have been rearranging?
Interro-negative form
Simple form
couldn't I rearrange? couldn't you rearrange? couldn't he rearrange? couldn't we rearrange? couldn't you rearrange? couldn't they rearrange?
V-ing form
couldn't I be rearranging? couldn't you be rearranging? couldn't he be rearranging? couldn't we be rearranging? couldn't you be rearranging? couldn't they be rearranging?
Perfect
couldn't I have rearranged? couldn't you have rearranged? couldn't he have rearranged? couldn't we have rearranged? couldn't you have rearranged? couldn't they have rearranged?
V-ing perfect
couldn't I have been rearranging? couldn't you have been rearranging? couldn't he have been rearranging? couldn't we have been rearranging? couldn't you have been rearranging? couldn't they have been rearranging?