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