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