may scumble
Regular verb: scumble - scumbled- scumbled

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