may clamber
Regular verb: clamber - clambered- clambered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may clamber
you may clamber
he may clamber
we may clamber
you may clamber
they may clamber 	I may be clambering
you may be clambering
he may be clambering
we may be clambering
you may be clambering
they may be clambering	I may have clambered
you may have clambered
he may have clambered
we may have clambered
you may have clambered
they may have clambered	I may have been clambering
you may have been clambering
he may have been clambering
we may have been clambering
you may have been clambering
they may have been clambering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not clamber
you may not clamber
he may not clamber
we may not clamber
you may not clamber
they may not clamber 	I may not be clambering
you may not be clambering
he may not be clambering
we may not be clambering
you may not be clambering
they may not be clambering	I may not have clambered
you may not have clambered
he may not have clambered
we may not have clambered
you may not have clambered
they may not have clambered	I may not have been clambering
you may not have been clambering
he may not have been clambering
we may not have been clambering
you may not have been clambering
they may not have been clambering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I clamber?
may you clamber?
may he clamber?
may we clamber?
may you clamber?
may they clamber? 	may I be clambering?
may you be clambering?
may he be clambering?
may we be clambering?
may you be clambering?
may they be clambering? 	may I have clambered?
may you have clambered?
may he have clambered?
may we have clambered?
may you have clambered?
may they have clambered? 	may I have been clambering?
may you have been clambering?
may he have been clambering?
may we have been clambering?
may you have been clambering?
may they have been clambering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not clamber?
may you not clamber?
may he not clamber?
may we not clamber?
may you not clamber?
may they not clamber? 	may I not be clambering?
may you not be clambering?
may he not be clambering?
may we not be clambering?
may you not be clambering?
may they not be clambering? 	may I not have clambered?
may you not have clambered?
may he not have clambered?
may we not have clambered?
may you not have clambered?
may they not have clambered? 	may I not have been clambering?
may you not have been clambering?
may he not have been clambering?
may we not have been clambering?
may you not have been clambering?
may they not have been clambering?