Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could botch bungle sth you could botch bungle sth he could botch bungle sth we could botch bungle sth you could botch bungle sth they could botch bungle sth
V-ing form
I could be botch bungle sthing you could be botch bungle sthing he could be botch bungle sthing we could be botch bungle sthing you could be botch bungle sthing they could be botch bungle sthing
Perfect
I could have botch bungle sthed you could have botch bungle sthed he could have botch bungle sthed we could have botch bungle sthed you could have botch bungle sthed they could have botch bungle sthed
V-ing perfect
I could have been botch bungle sthing you could have been botch bungle sthing he could have been botch bungle sthing we could have been botch bungle sthing you could have been botch bungle sthing they could have been botch bungle sthing
Negation
Simple form
I couldn't botch bungle sth you couldn't botch bungle sth he couldn't botch bungle sth we couldn't botch bungle sth you couldn't botch bungle sth they couldn't botch bungle sth
V-ing form
I couldn't be botch bungle sthing you couldn't be botch bungle sthing he couldn't be botch bungle sthing we couldn't be botch bungle sthing you couldn't be botch bungle sthing they couldn't be botch bungle sthing
Perfect
I couldn't have botch bungle sthed you couldn't have botch bungle sthed he couldn't have botch bungle sthed we couldn't have botch bungle sthed you couldn't have botch bungle sthed they couldn't have botch bungle sthed
V-ing perfect
I couldn't have been botch bungle sthing you couldn't have been botch bungle sthing he couldn't have been botch bungle sthing we couldn't have been botch bungle sthing you couldn't have been botch bungle sthing they couldn't have been botch bungle sthing
Interrogative form
Simple form
could I botch bungle sth? could you botch bungle sth? could he botch bungle sth? could we botch bungle sth? could you botch bungle sth? could they botch bungle sth?
V-ing form
could I be botch bungle sthing? could you be botch bungle sthing? could he be botch bungle sthing? could we be botch bungle sthing? could you be botch bungle sthing? could they be botch bungle sthing?
Perfect
could I have botch bungle sthed? could you have botch bungle sthed? could he have botch bungle sthed? could we have botch bungle sthed? could you have botch bungle sthed? could they have botch bungle sthed?
V-ing perfect
could I have been botch bungle sthing? could you have been botch bungle sthing? could he have been botch bungle sthing? could we have been botch bungle sthing? could you have been botch bungle sthing? could they have been botch bungle sthing?
Interro-negative form
Simple form
couldn't I botch bungle sth? couldn't you botch bungle sth? couldn't he botch bungle sth? couldn't we botch bungle sth? couldn't you botch bungle sth? couldn't they botch bungle sth?
V-ing form
couldn't I be botch bungle sthing? couldn't you be botch bungle sthing? couldn't he be botch bungle sthing? couldn't we be botch bungle sthing? couldn't you be botch bungle sthing? couldn't they be botch bungle sthing?
Perfect
couldn't I have botch bungle sthed? couldn't you have botch bungle sthed? couldn't he have botch bungle sthed? couldn't we have botch bungle sthed? couldn't you have botch bungle sthed? couldn't they have botch bungle sthed?
V-ing perfect
couldn't I have been botch bungle sthing? couldn't you have been botch bungle sthing? couldn't he have been botch bungle sthing? couldn't we have been botch bungle sthing? couldn't you have been botch bungle sthing? couldn't they have been botch bungle sthing?