I might preinvestigate you might preinvestigate he might preinvestigate we might preinvestigate you might preinvestigate they might preinvestigate
V-ing form
I might be preinvestigating you might be preinvestigating he might be preinvestigating we might be preinvestigating you might be preinvestigating they might be preinvestigating
Perfect
I might have preinvestigated you might have preinvestigated he might have preinvestigated we might have preinvestigated you might have preinvestigated they might have preinvestigated
V-ing perfect
I might have been preinvestigating you might have been preinvestigating he might have been preinvestigating we might have been preinvestigating you might have been preinvestigating they might have been preinvestigating
Negation
Simple form
I mightn't preinvestigate you mightn't preinvestigate he mightn't preinvestigate we mightn't preinvestigate you mightn't preinvestigate they mightn't preinvestigate
V-ing form
I mightn't be preinvestigating you mightn't be preinvestigating he mightn't be preinvestigating we mightn't be preinvestigating you mightn't be preinvestigating they mightn't be preinvestigating
Perfect
I mightn't have preinvestigated you mightn't have preinvestigated he mightn't have preinvestigated we mightn't have preinvestigated you mightn't have preinvestigated they mightn't have preinvestigated
V-ing perfect
I mightn't have been preinvestigating you mightn't have been preinvestigating he mightn't have been preinvestigating we mightn't have been preinvestigating you mightn't have been preinvestigating they mightn't have been preinvestigating
Interrogative form
Simple form
might I preinvestigate? might you preinvestigate? might he preinvestigate? might we preinvestigate? might you preinvestigate? might they preinvestigate?
V-ing form
might I be preinvestigating? might you be preinvestigating? might he be preinvestigating? might we be preinvestigating? might you be preinvestigating? might they be preinvestigating?
Perfect
might I have preinvestigated? might you have preinvestigated? might he have preinvestigated? might we have preinvestigated? might you have preinvestigated? might they have preinvestigated?
V-ing perfect
might I have been preinvestigating? might you have been preinvestigating? might he have been preinvestigating? might we have been preinvestigating? might you have been preinvestigating? might they have been preinvestigating?
Interro-negative form
Simple form
mightn't I preinvestigate? mightn't you preinvestigate? mightn't he preinvestigate? mightn't we preinvestigate? mightn't you preinvestigate? mightn't they preinvestigate?
V-ing form
mightn't I be preinvestigating? mightn't you be preinvestigating? mightn't he be preinvestigating? mightn't we be preinvestigating? mightn't you be preinvestigating? mightn't they be preinvestigating?
Perfect
mightn't I have preinvestigated? mightn't you have preinvestigated? mightn't he have preinvestigated? mightn't we have preinvestigated? mightn't you have preinvestigated? mightn't they have preinvestigated?
V-ing perfect
mightn't I have been preinvestigating? mightn't you have been preinvestigating? mightn't he have been preinvestigating? mightn't we have been preinvestigating? mightn't you have been preinvestigating? mightn't they have been preinvestigating?