may scumble
Regular verb: scumble - scumbled- scumbled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may scumble
you may scumble
he may scumble
we may scumble
you may scumble
they may scumble 	I may be scumbling
you may be scumbling
he may be scumbling
we may be scumbling
you may be scumbling
they may be scumbling	I may have scumbled
you may have scumbled
he may have scumbled
we may have scumbled
you may have scumbled
they may have scumbled	I may have been scumbling
you may have been scumbling
he may have been scumbling
we may have been scumbling
you may have been scumbling
they may have been scumbling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not scumble
you may not scumble
he may not scumble
we may not scumble
you may not scumble
they may not scumble 	I may not be scumbling
you may not be scumbling
he may not be scumbling
we may not be scumbling
you may not be scumbling
they may not be scumbling	I may not have scumbled
you may not have scumbled
he may not have scumbled
we may not have scumbled
you may not have scumbled
they may not have scumbled	I may not have been scumbling
you may not have been scumbling
he may not have been scumbling
we may not have been scumbling
you may not have been scumbling
they may not have been scumbling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I scumble?
may you scumble?
may he scumble?
may we scumble?
may you scumble?
may they scumble? 	may I be scumbling?
may you be scumbling?
may he be scumbling?
may we be scumbling?
may you be scumbling?
may they be scumbling? 	may I have scumbled?
may you have scumbled?
may he have scumbled?
may we have scumbled?
may you have scumbled?
may they have scumbled? 	may I have been scumbling?
may you have been scumbling?
may he have been scumbling?
may we have been scumbling?
may you have been scumbling?
may they have been scumbling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not scumble?
may you not scumble?
may he not scumble?
may we not scumble?
may you not scumble?
may they not scumble? 	may I not be scumbling?
may you not be scumbling?
may he not be scumbling?
may we not be scumbling?
may you not be scumbling?
may they not be scumbling? 	may I not have scumbled?
may you not have scumbled?
may he not have scumbled?
may we not have scumbled?
may you not have scumbled?
may they not have scumbled? 	may I not have been scumbling?
may you not have been scumbling?
may he not have been scumbling?
may we not have been scumbling?
may you not have been scumbling?
may they not have been scumbling?