would observe
Regular verb: observe - observed- observed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd observe
you'd observe
he'd observe
we'd observe
you'd observe
they'd observe 	I'd be observing
you'd be observing
he'd be observing
we'd be observing
you'd be observing
they'd be observing	I would've observed
you would've observed
he would've observed
we would've observed
you would've observed
they would've observed	I would've been observing
you would've been observing
he would've been observing
we would've been observing
you would've been observing
they would've been observing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't observe
you wouldn't observe
he wouldn't observe
we wouldn't observe
you wouldn't observe
they wouldn't observe 	I wouldn't be observing
you wouldn't be observing
he wouldn't be observing
we wouldn't be observing
you wouldn't be observing
they wouldn't be observing	I wouldn't have observed
you wouldn't have observed
he wouldn't have observed
we wouldn't have observed
you wouldn't have observed
they wouldn't have observed	I wouldn't have been observing
you wouldn't have been observing
he wouldn't have been observing
we wouldn't have been observing
you wouldn't have been observing
they wouldn't have been observing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I observe?
would you observe?
would he observe?
would we observe?
would you observe?
would they observe? 	would I be observing?
would you be observing?
would he be observing?
would we be observing?
would you be observing?
would they be observing? 	would I have observed?
would you have observed?
would he have observed?
would we have observed?
would you have observed?
would they have observed? 	would I have been observing?
would you have been observing?
would he have been observing?
would we have been observing?
would you have been observing?
would they have been observing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I observe?
wouldn't you observe?
wouldn't he observe?
wouldn't we observe?
wouldn't you observe?
wouldn't they observe? 	wouldn't I be observing?
wouldn't you be observing?
wouldn't he be observing?
wouldn't we be observing?
wouldn't you be observing?
wouldn't they be observing? 	wouldn't I have observed?
wouldn't you have observed?
wouldn't he have observed?
wouldn't we have observed?
wouldn't you have observed?
wouldn't they have observed? 	wouldn't I have been observing?
wouldn't you have been observing?
wouldn't he have been observing?
wouldn't we have been observing?
wouldn't you have been observing?
wouldn't they have been observing?