I could repulse you could repulse she could repulse we could repulse you could repulse they could repulse
V-ing form
I could be repulsing you could be repulsing she could be repulsing we could be repulsing you could be repulsing they could be repulsing
Perfect
I could have repulsed you could have repulsed she 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 she 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 she 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 she 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 she 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 she 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 she repulse? could we repulse? could you repulse? could they repulse?
V-ing form
could I be repulsing? could you be repulsing? could she be repulsing? could we be repulsing? could you be repulsing? could they be repulsing?
Perfect
could I have repulsed? could you have repulsed? could she 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 she 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 she 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 she 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 she 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 she have been repulsing? couldn't we have been repulsing? couldn't you have been repulsing? couldn't they have been repulsing?