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