may hitchhike
Regular verb: hitchhike - hitchhiked- hitchhiked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may hitchhike
you may hitchhike
he may hitchhike
we may hitchhike
you may hitchhike
they may hitchhike 	I may be hitchhiking
you may be hitchhiking
he may be hitchhiking
we may be hitchhiking
you may be hitchhiking
they may be hitchhiking	I may have hitchhiked
you may have hitchhiked
he may have hitchhiked
we may have hitchhiked
you may have hitchhiked
they may have hitchhiked	I may have been hitchhiking
you may have been hitchhiking
he may have been hitchhiking
we may have been hitchhiking
you may have been hitchhiking
they may have been hitchhiking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't hitchhike
you mayn't hitchhike
he mayn't hitchhike
we mayn't hitchhike
you mayn't hitchhike
they mayn't hitchhike 	I mayn't be hitchhiking
you mayn't be hitchhiking
he mayn't be hitchhiking
we mayn't be hitchhiking
you mayn't be hitchhiking
they mayn't be hitchhiking	I mayn't have hitchhiked
you mayn't have hitchhiked
he mayn't have hitchhiked
we mayn't have hitchhiked
you mayn't have hitchhiked
they mayn't have hitchhiked	I mayn't have been hitchhiking
you mayn't have been hitchhiking
he mayn't have been hitchhiking
we mayn't have been hitchhiking
you mayn't have been hitchhiking
they mayn't have been hitchhiking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I hitchhike?
may you hitchhike?
may he hitchhike?
may we hitchhike?
may you hitchhike?
may they hitchhike? 	may I be hitchhiking?
may you be hitchhiking?
may he be hitchhiking?
may we be hitchhiking?
may you be hitchhiking?
may they be hitchhiking? 	may I have hitchhiked?
may you have hitchhiked?
may he have hitchhiked?
may we have hitchhiked?
may you have hitchhiked?
may they have hitchhiked? 	may I have been hitchhiking?
may you have been hitchhiking?
may he have been hitchhiking?
may we have been hitchhiking?
may you have been hitchhiking?
may they have been hitchhiking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I hitchhike?
mayn't you hitchhike?
mayn't he hitchhike?
mayn't we hitchhike?
mayn't you hitchhike?
mayn't they hitchhike? 	mayn't I be hitchhiking?
mayn't you be hitchhiking?
mayn't he be hitchhiking?
mayn't we be hitchhiking?
mayn't you be hitchhiking?
mayn't they be hitchhiking? 	mayn't I have hitchhiked?
mayn't you have hitchhiked?
mayn't he have hitchhiked?
mayn't we have hitchhiked?
mayn't you have hitchhiked?
mayn't they have hitchhiked? 	mayn't I have been hitchhiking?
mayn't you have been hitchhiking?
mayn't he have been hitchhiking?
mayn't we have been hitchhiking?
mayn't you have been hitchhiking?
mayn't they have been hitchhiking?