may arch
Regular verb: arch - arched- arched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may arch
you may arch
he may arch
we may arch
you may arch
they may arch 	I may be arching
you may be arching
he may be arching
we may be arching
you may be arching
they may be arching	I may have arched
you may have arched
he may have arched
we may have arched
you may have arched
they may have arched	I may have been arching
you may have been arching
he may have been arching
we may have been arching
you may have been arching
they may have been arching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not arch
you may not arch
he may not arch
we may not arch
you may not arch
they may not arch 	I may not be arching
you may not be arching
he may not be arching
we may not be arching
you may not be arching
they may not be arching	I may not have arched
you may not have arched
he may not have arched
we may not have arched
you may not have arched
they may not have arched	I may not have been arching
you may not have been arching
he may not have been arching
we may not have been arching
you may not have been arching
they may not have been arching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I arch?
may you arch?
may he arch?
may we arch?
may you arch?
may they arch? 	may I be arching?
may you be arching?
may he be arching?
may we be arching?
may you be arching?
may they be arching? 	may I have arched?
may you have arched?
may he have arched?
may we have arched?
may you have arched?
may they have arched? 	may I have been arching?
may you have been arching?
may he have been arching?
may we have been arching?
may you have been arching?
may they have been arching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not arch?
may you not arch?
may he not arch?
may we not arch?
may you not arch?
may they not arch? 	may I not be arching?
may you not be arching?
may he not be arching?
may we not be arching?
may you not be arching?
may they not be arching? 	may I not have arched?
may you not have arched?
may he not have arched?
may we not have arched?
may you not have arched?
may they not have arched? 	may I not have been arching?
may you not have been arching?
may he not have been arching?
may we not have been arching?
may you not have been arching?
may they not have been arching?