may collapse
Verbo regular: collapse - collapsed- collapsed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may collapse
you may collapse
he may collapse
we may collapse
you may collapse
they may collapse 	I may be collapsing
you may be collapsing
he may be collapsing
we may be collapsing
you may be collapsing
they may be collapsing	I may have collapsed
you may have collapsed
he may have collapsed
we may have collapsed
you may have collapsed
they may have collapsed	I may have been collapsing
you may have been collapsing
he may have been collapsing
we may have been collapsing
you may have been collapsing
they may have been collapsing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't collapse
you mayn't collapse
he mayn't collapse
we mayn't collapse
you mayn't collapse
they mayn't collapse 	I mayn't be collapsing
you mayn't be collapsing
he mayn't be collapsing
we mayn't be collapsing
you mayn't be collapsing
they mayn't be collapsing	I mayn't have collapsed
you mayn't have collapsed
he mayn't have collapsed
we mayn't have collapsed
you mayn't have collapsed
they mayn't have collapsed	I mayn't have been collapsing
you mayn't have been collapsing
he mayn't have been collapsing
we mayn't have been collapsing
you mayn't have been collapsing
they mayn't have been collapsing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I collapse?
may you collapse?
may he collapse?
may we collapse?
may you collapse?
may they collapse? 	may I be collapsing?
may you be collapsing?
may he be collapsing?
may we be collapsing?
may you be collapsing?
may they be collapsing? 	may I have collapsed?
may you have collapsed?
may he have collapsed?
may we have collapsed?
may you have collapsed?
may they have collapsed? 	may I have been collapsing?
may you have been collapsing?
may he have been collapsing?
may we have been collapsing?
may you have been collapsing?
may they have been collapsing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I collapse?
mayn't you collapse?
mayn't he collapse?
mayn't we collapse?
mayn't you collapse?
mayn't they collapse? 	mayn't I be collapsing?
mayn't you be collapsing?
mayn't he be collapsing?
mayn't we be collapsing?
mayn't you be collapsing?
mayn't they be collapsing? 	mayn't I have collapsed?
mayn't you have collapsed?
mayn't he have collapsed?
mayn't we have collapsed?
mayn't you have collapsed?
mayn't they have collapsed? 	mayn't I have been collapsing?
mayn't you have been collapsing?
mayn't he have been collapsing?
mayn't we have been collapsing?
mayn't you have been collapsing?
mayn't they have been collapsing?