may externalise
Regular verb: externalise - externalised- externalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may externalise
you may externalise
he may externalise
we may externalise
you may externalise
they may externalise 	I may be externalising
you may be externalising
he may be externalising
we may be externalising
you may be externalising
they may be externalising	I may have externalised
you may have externalised
he may have externalised
we may have externalised
you may have externalised
they may have externalised	I may have been externalising
you may have been externalising
he may have been externalising
we may have been externalising
you may have been externalising
they may have been externalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't externalise
you mayn't externalise
he mayn't externalise
we mayn't externalise
you mayn't externalise
they mayn't externalise 	I mayn't be externalising
you mayn't be externalising
he mayn't be externalising
we mayn't be externalising
you mayn't be externalising
they mayn't be externalising	I mayn't have externalised
you mayn't have externalised
he mayn't have externalised
we mayn't have externalised
you mayn't have externalised
they mayn't have externalised	I mayn't have been externalising
you mayn't have been externalising
he mayn't have been externalising
we mayn't have been externalising
you mayn't have been externalising
they mayn't have been externalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I externalise?
may you externalise?
may he externalise?
may we externalise?
may you externalise?
may they externalise? 	may I be externalising?
may you be externalising?
may he be externalising?
may we be externalising?
may you be externalising?
may they be externalising? 	may I have externalised?
may you have externalised?
may he have externalised?
may we have externalised?
may you have externalised?
may they have externalised? 	may I have been externalising?
may you have been externalising?
may he have been externalising?
may we have been externalising?
may you have been externalising?
may they have been externalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I externalise?
mayn't you externalise?
mayn't he externalise?
mayn't we externalise?
mayn't you externalise?
mayn't they externalise? 	mayn't I be externalising?
mayn't you be externalising?
mayn't he be externalising?
mayn't we be externalising?
mayn't you be externalising?
mayn't they be externalising? 	mayn't I have externalised?
mayn't you have externalised?
mayn't he have externalised?
mayn't we have externalised?
mayn't you have externalised?
mayn't they have externalised? 	mayn't I have been externalising?
mayn't you have been externalising?
mayn't he have been externalising?
mayn't we have been externalising?
mayn't you have been externalising?
mayn't they have been externalising?