may observe
Verbo regular: observe - observed- observed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may observe
you may observe
he may observe
we may observe
you may observe
they may observe 	I may be observing
you may be observing
he may be observing
we may be observing
you may be observing
they may be observing	I may have observed
you may have observed
he may have observed
we may have observed
you may have observed
they may have observed	I may have been observing
you may have been observing
he may have been observing
we may have been observing
you may have been observing
they may have been observing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't observe
you mayn't observe
he mayn't observe
we mayn't observe
you mayn't observe
they mayn't observe 	I mayn't be observing
you mayn't be observing
he mayn't be observing
we mayn't be observing
you mayn't be observing
they mayn't be observing	I mayn't have observed
you mayn't have observed
he mayn't have observed
we mayn't have observed
you mayn't have observed
they mayn't have observed	I mayn't have been observing
you mayn't have been observing
he mayn't have been observing
we mayn't have been observing
you mayn't have been observing
they mayn't have been observing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I observe?
may you observe?
may he observe?
may we observe?
may you observe?
may they observe? 	may I be observing?
may you be observing?
may he be observing?
may we be observing?
may you be observing?
may they be observing? 	may I have observed?
may you have observed?
may he have observed?
may we have observed?
may you have observed?
may they have observed? 	may I have been observing?
may you have been observing?
may he have been observing?
may we have been observing?
may you have been observing?
may they have been observing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I observe?
mayn't you observe?
mayn't he observe?
mayn't we observe?
mayn't you observe?
mayn't they observe? 	mayn't I be observing?
mayn't you be observing?
mayn't he be observing?
mayn't we be observing?
mayn't you be observing?
mayn't they be observing? 	mayn't I have observed?
mayn't you have observed?
mayn't he have observed?
mayn't we have observed?
mayn't you have observed?
mayn't they have observed? 	mayn't I have been observing?
mayn't you have been observing?
mayn't he have been observing?
mayn't we have been observing?
mayn't you have been observing?
mayn't they have been observing?