I could bloster you could bloster she could bloster we could bloster you could bloster they could bloster
V-ing form
I could be blostering you could be blostering she could be blostering we could be blostering you could be blostering they could be blostering
Perfect
I could have blostered you could have blostered she could have blostered we could have blostered you could have blostered they could have blostered
V-ing perfect
I could have been blostering you could have been blostering she could have been blostering we could have been blostering you could have been blostering they could have been blostering
Negation
Simple form
I could not bloster you could not bloster she could not bloster we could not bloster you could not bloster they could not bloster
V-ing form
I could not be blostering you could not be blostering she could not be blostering we could not be blostering you could not be blostering they could not be blostering
Perfect
I could not have blostered you could not have blostered she could not have blostered we could not have blostered you could not have blostered they could not have blostered
V-ing perfect
I could not have been blostering you could not have been blostering she could not have been blostering we could not have been blostering you could not have been blostering they could not have been blostering
Interrogative form
Simple form
could I bloster? could you bloster? could she bloster? could we bloster? could you bloster? could they bloster?
V-ing form
could I be blostering? could you be blostering? could she be blostering? could we be blostering? could you be blostering? could they be blostering?
Perfect
could I have blostered? could you have blostered? could she have blostered? could we have blostered? could you have blostered? could they have blostered?
V-ing perfect
could I have been blostering? could you have been blostering? could she have been blostering? could we have been blostering? could you have been blostering? could they have been blostering?
Interro-negative form
Simple form
could I not bloster? could you not bloster? could she not bloster? could we not bloster? could you not bloster? could they not bloster?
V-ing form
could I not be blostering? could you not be blostering? could she not be blostering? could we not be blostering? could you not be blostering? could they not be blostering?
Perfect
could I not have blostered? could you not have blostered? could she not have blostered? could we not have blostered? could you not have blostered? could they not have blostered?
V-ing perfect
could I not have been blostering? could you not have been blostering? could she not have been blostering? could we not have been blostering? could you not have been blostering? could they not have been blostering?