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