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