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