I might stumble you might stumble she might stumble we might stumble you might stumble they might stumble
V-ing form
I might be stumbling you might be stumbling she might be stumbling we might be stumbling you might be stumbling they might be stumbling
Perfect
I might have stumbled you might have stumbled she might have stumbled we might have stumbled you might have stumbled they might have stumbled
V-ing perfect
I might have been stumbling you might have been stumbling she might have been stumbling we might have been stumbling you might have been stumbling they might have been stumbling
Negation
Simple form
I mightn't stumble you mightn't stumble she mightn't stumble we mightn't stumble you mightn't stumble they mightn't stumble
V-ing form
I mightn't be stumbling you mightn't be stumbling she mightn't be stumbling we mightn't be stumbling you mightn't be stumbling they mightn't be stumbling
Perfect
I mightn't have stumbled you mightn't have stumbled she mightn't have stumbled we mightn't have stumbled you mightn't have stumbled they mightn't have stumbled
V-ing perfect
I mightn't have been stumbling you mightn't have been stumbling she mightn't have been stumbling we mightn't have been stumbling you mightn't have been stumbling they mightn't have been stumbling
Interrogative form
Simple form
might I stumble? might you stumble? might she stumble? might we stumble? might you stumble? might they stumble?
V-ing form
might I be stumbling? might you be stumbling? might she be stumbling? might we be stumbling? might you be stumbling? might they be stumbling?
Perfect
might I have stumbled? might you have stumbled? might she have stumbled? might we have stumbled? might you have stumbled? might they have stumbled?
V-ing perfect
might I have been stumbling? might you have been stumbling? might she have been stumbling? might we have been stumbling? might you have been stumbling? might they have been stumbling?
Interro-negative form
Simple form
mightn't I stumble? mightn't you stumble? mightn't she stumble? mightn't we stumble? mightn't you stumble? mightn't they stumble?
V-ing form
mightn't I be stumbling? mightn't you be stumbling? mightn't she be stumbling? mightn't we be stumbling? mightn't you be stumbling? mightn't they be stumbling?
Perfect
mightn't I have stumbled? mightn't you have stumbled? mightn't she have stumbled? mightn't we have stumbled? mightn't you have stumbled? mightn't they have stumbled?
V-ing perfect
mightn't I have been stumbling? mightn't you have been stumbling? mightn't she have been stumbling? mightn't we have been stumbling? mightn't you have been stumbling? mightn't they have been stumbling?