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