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