may crab
Verbo regular: crab - crabbed- crabbed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may crab
you may crab
he may crab
we may crab
you may crab
they may crab 	I may be crabbing
you may be crabbing
he may be crabbing
we may be crabbing
you may be crabbing
they may be crabbing	I may have crabbed
you may have crabbed
he may have crabbed
we may have crabbed
you may have crabbed
they may have crabbed	I may have been crabbing
you may have been crabbing
he may have been crabbing
we may have been crabbing
you may have been crabbing
they may have been crabbing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't crab
you mayn't crab
he mayn't crab
we mayn't crab
you mayn't crab
they mayn't crab 	I mayn't be crabbing
you mayn't be crabbing
he mayn't be crabbing
we mayn't be crabbing
you mayn't be crabbing
they mayn't be crabbing	I mayn't have crabbed
you mayn't have crabbed
he mayn't have crabbed
we mayn't have crabbed
you mayn't have crabbed
they mayn't have crabbed	I mayn't have been crabbing
you mayn't have been crabbing
he mayn't have been crabbing
we mayn't have been crabbing
you mayn't have been crabbing
they mayn't have been crabbing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I crab?
may you crab?
may he crab?
may we crab?
may you crab?
may they crab? 	may I be crabbing?
may you be crabbing?
may he be crabbing?
may we be crabbing?
may you be crabbing?
may they be crabbing? 	may I have crabbed?
may you have crabbed?
may he have crabbed?
may we have crabbed?
may you have crabbed?
may they have crabbed? 	may I have been crabbing?
may you have been crabbing?
may he have been crabbing?
may we have been crabbing?
may you have been crabbing?
may they have been crabbing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I crab?
mayn't you crab?
mayn't he crab?
mayn't we crab?
mayn't you crab?
mayn't they crab? 	mayn't I be crabbing?
mayn't you be crabbing?
mayn't he be crabbing?
mayn't we be crabbing?
mayn't you be crabbing?
mayn't they be crabbing? 	mayn't I have crabbed?
mayn't you have crabbed?
mayn't he have crabbed?
mayn't we have crabbed?
mayn't you have crabbed?
mayn't they have crabbed? 	mayn't I have been crabbing?
mayn't you have been crabbing?
mayn't he have been crabbing?
mayn't we have been crabbing?
mayn't you have been crabbing?
mayn't they have been crabbing?