may double-check
Verbo regular: double-check - double-checked- double-checked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may double-check
you may double-check
he may double-check
we may double-check
you may double-check
they may double-check 	I may be double-checking
you may be double-checking
he may be double-checking
we may be double-checking
you may be double-checking
they may be double-checking	I may have double-checked
you may have double-checked
he may have double-checked
we may have double-checked
you may have double-checked
they may have double-checked	I may have been double-checking
you may have been double-checking
he may have been double-checking
we may have been double-checking
you may have been double-checking
they may have been double-checking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't double-check
you mayn't double-check
he mayn't double-check
we mayn't double-check
you mayn't double-check
they mayn't double-check 	I mayn't be double-checking
you mayn't be double-checking
he mayn't be double-checking
we mayn't be double-checking
you mayn't be double-checking
they mayn't be double-checking	I mayn't have double-checked
you mayn't have double-checked
he mayn't have double-checked
we mayn't have double-checked
you mayn't have double-checked
they mayn't have double-checked	I mayn't have been double-checking
you mayn't have been double-checking
he mayn't have been double-checking
we mayn't have been double-checking
you mayn't have been double-checking
they mayn't have been double-checking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I double-check?
may you double-check?
may he double-check?
may we double-check?
may you double-check?
may they double-check? 	may I be double-checking?
may you be double-checking?
may he be double-checking?
may we be double-checking?
may you be double-checking?
may they be double-checking? 	may I have double-checked?
may you have double-checked?
may he have double-checked?
may we have double-checked?
may you have double-checked?
may they have double-checked? 	may I have been double-checking?
may you have been double-checking?
may he have been double-checking?
may we have been double-checking?
may you have been double-checking?
may they have been double-checking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I double-check?
mayn't you double-check?
mayn't he double-check?
mayn't we double-check?
mayn't you double-check?
mayn't they double-check? 	mayn't I be double-checking?
mayn't you be double-checking?
mayn't he be double-checking?
mayn't we be double-checking?
mayn't you be double-checking?
mayn't they be double-checking? 	mayn't I have double-checked?
mayn't you have double-checked?
mayn't he have double-checked?
mayn't we have double-checked?
mayn't you have double-checked?
mayn't they have double-checked? 	mayn't I have been double-checking?
mayn't you have been double-checking?
mayn't he have been double-checking?
mayn't we have been double-checking?
mayn't you have been double-checking?
mayn't they have been double-checking?