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