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