may buckle
Verbo regular: buckle - buckled- buckled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may buckle
you may buckle
he may buckle
we may buckle
you may buckle
they may buckle 	I may be buckling
you may be buckling
he may be buckling
we may be buckling
you may be buckling
they may be buckling	I may have buckled
you may have buckled
he may have buckled
we may have buckled
you may have buckled
they may have buckled	I may have been buckling
you may have been buckling
he may have been buckling
we may have been buckling
you may have been buckling
they may have been buckling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't buckle
you mayn't buckle
he mayn't buckle
we mayn't buckle
you mayn't buckle
they mayn't buckle 	I mayn't be buckling
you mayn't be buckling
he mayn't be buckling
we mayn't be buckling
you mayn't be buckling
they mayn't be buckling	I mayn't have buckled
you mayn't have buckled
he mayn't have buckled
we mayn't have buckled
you mayn't have buckled
they mayn't have buckled	I mayn't have been buckling
you mayn't have been buckling
he mayn't have been buckling
we mayn't have been buckling
you mayn't have been buckling
they mayn't have been buckling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I buckle?
may you buckle?
may he buckle?
may we buckle?
may you buckle?
may they buckle? 	may I be buckling?
may you be buckling?
may he be buckling?
may we be buckling?
may you be buckling?
may they be buckling? 	may I have buckled?
may you have buckled?
may he have buckled?
may we have buckled?
may you have buckled?
may they have buckled? 	may I have been buckling?
may you have been buckling?
may he have been buckling?
may we have been buckling?
may you have been buckling?
may they have been buckling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I buckle?
mayn't you buckle?
mayn't he buckle?
mayn't we buckle?
mayn't you buckle?
mayn't they buckle? 	mayn't I be buckling?
mayn't you be buckling?
mayn't he be buckling?
mayn't we be buckling?
mayn't you be buckling?
mayn't they be buckling? 	mayn't I have buckled?
mayn't you have buckled?
mayn't he have buckled?
mayn't we have buckled?
mayn't you have buckled?
mayn't they have buckled? 	mayn't I have been buckling?
mayn't you have been buckling?
mayn't he have been buckling?
mayn't we have been buckling?
mayn't you have been buckling?
mayn't they have been buckling?