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