
Verbo regular: observe - observed - observed
Forma simple | Forma con V-ing | 
| I might observe you might observe he might observe we might observe you might observe they might observe  | I might be observing you might be observing he might be observing we might be observing you might be observing they might be observing  | 
Perfecto | Perfecto con V-ing | 
| I might have observed you might have observed he might have observed we might have observed you might have observed they might have observed  | I might have been observing you might have been observing he might have been observing we might have been observing you might have been observing they might have been observing  | 
Forma simple | Forma con V-ing | 
| I mightn't observe you mightn't observe he mightn't observe we mightn't observe you mightn't observe they mightn't observe  | I mightn't be observing you mightn't be observing he mightn't be observing we mightn't be observing you mightn't be observing they mightn't be observing  | 
Perfecto | Perfecto con V-ing | 
| I mightn't have observed you mightn't have observed he mightn't have observed we mightn't have observed you mightn't have observed they mightn't have observed  | I mightn't have been observing you mightn't have been observing he mightn't have been observing we mightn't have been observing you mightn't have been observing they mightn't have been observing  | 
Forma simple | Forma con V-ing | 
| might I observe? might you observe? might he observe? might we observe? might you observe? might they observe?  | might I be observing? might you be observing? might he be observing? might we be observing? might you be observing? might they be observing?  | 
Perfecto | Perfecto con V-ing | 
| might I have observed? might you have observed? might he have observed? might we have observed? might you have observed? might they have observed?  | might I have been observing? might you have been observing? might he have been observing? might we have been observing? might you have been observing? might they have been observing?  | 
Forma simple | Forma con V-ing | 
| mightn't I observe? mightn't you observe? mightn't he observe? mightn't we observe? mightn't you observe? mightn't they observe?  | mightn't I be observing? mightn't you be observing? mightn't he be observing? mightn't we be observing? mightn't you be observing? mightn't they be observing?  | 
Perfecto | Perfecto con V-ing | 
| mightn't I have observed? mightn't you have observed? mightn't he have observed? mightn't we have observed? mightn't you have observed? mightn't they have observed?  | mightn't I have been observing? mightn't you have been observing? mightn't he have been observing? mightn't we have been observing? mightn't you have been observing? mightn't they have been observing?  |