I could bottle you could bottle she could bottle we could bottle you could bottle they could bottle
V-ing form
I could be bottling you could be bottling she could be bottling we could be bottling you could be bottling they could be bottling
Perfect
I could have bottled you could have bottled she could have bottled we could have bottled you could have bottled they could have bottled
V-ing perfect
I could have been bottling you could have been bottling she could have been bottling we could have been bottling you could have been bottling they could have been bottling
Negation
Simple form
I could not bottle you could not bottle she could not bottle we could not bottle you could not bottle they could not bottle
V-ing form
I could not be bottling you could not be bottling she could not be bottling we could not be bottling you could not be bottling they could not be bottling
Perfect
I could not have bottled you could not have bottled she could not have bottled we could not have bottled you could not have bottled they could not have bottled
V-ing perfect
I could not have been bottling you could not have been bottling she could not have been bottling we could not have been bottling you could not have been bottling they could not have been bottling
Interrogative form
Simple form
could I bottle? could you bottle? could she bottle? could we bottle? could you bottle? could they bottle?
V-ing form
could I be bottling? could you be bottling? could she be bottling? could we be bottling? could you be bottling? could they be bottling?
Perfect
could I have bottled? could you have bottled? could she have bottled? could we have bottled? could you have bottled? could they have bottled?
V-ing perfect
could I have been bottling? could you have been bottling? could she have been bottling? could we have been bottling? could you have been bottling? could they have been bottling?
Interro-negative form
Simple form
could I not bottle? could you not bottle? could she not bottle? could we not bottle? could you not bottle? could they not bottle?
V-ing form
could I not be bottling? could you not be bottling? could she not be bottling? could we not be bottling? could you not be bottling? could they not be bottling?
Perfect
could I not have bottled? could you not have bottled? could she not have bottled? could we not have bottled? could you not have bottled? could they not have bottled?
V-ing perfect
could I not have been bottling? could you not have been bottling? could she not have been bottling? could we not have been bottling? could you not have been bottling? could they not have been bottling?