may travel
Regular verb: travel - travelled- travelled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may travel
you may travel
she may travel
we may travel
you may travel
they may travel 	I may be travelling
you may be travelling
she may be travelling
we may be travelling
you may be travelling
they may be travelling	I may have travelled
you may have travelled
she may have travelled
we may have travelled
you may have travelled
they may have travelled	I may have been travelling
you may have been travelling
she may have been travelling
we may have been travelling
you may have been travelling
they may have been travelling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't travel
you mayn't travel
she mayn't travel
we mayn't travel
you mayn't travel
they mayn't travel 	I mayn't be travelling
you mayn't be travelling
she mayn't be travelling
we mayn't be travelling
you mayn't be travelling
they mayn't be travelling	I mayn't have travelled
you mayn't have travelled
she mayn't have travelled
we mayn't have travelled
you mayn't have travelled
they mayn't have travelled	I mayn't have been travelling
you mayn't have been travelling
she mayn't have been travelling
we mayn't have been travelling
you mayn't have been travelling
they mayn't have been travelling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I travel?
may you travel?
may she travel?
may we travel?
may you travel?
may they travel? 	may I be travelling?
may you be travelling?
may she be travelling?
may we be travelling?
may you be travelling?
may they be travelling? 	may I have travelled?
may you have travelled?
may she have travelled?
may we have travelled?
may you have travelled?
may they have travelled? 	may I have been travelling?
may you have been travelling?
may she have been travelling?
may we have been travelling?
may you have been travelling?
may they have been travelling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I travel?
mayn't you travel?
mayn't she travel?
mayn't we travel?
mayn't you travel?
mayn't they travel? 	mayn't I be travelling?
mayn't you be travelling?
mayn't she be travelling?
mayn't we be travelling?
mayn't you be travelling?
mayn't they be travelling? 	mayn't I have travelled?
mayn't you have travelled?
mayn't she have travelled?
mayn't we have travelled?
mayn't you have travelled?
mayn't they have travelled? 	mayn't I have been travelling?
mayn't you have been travelling?
mayn't she have been travelling?
mayn't we have been travelling?
mayn't you have been travelling?
mayn't they have been travelling?