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