may train
Regular verb: train - trained- trained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may train
you may train
he may train
we may train
you may train
they may train 	I may be training
you may be training
he may be training
we may be training
you may be training
they may be training	I may have trained
you may have trained
he may have trained
we may have trained
you may have trained
they may have trained	I may have been training
you may have been training
he may have been training
we may have been training
you may have been training
they may have been training	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't train
you mayn't train
he mayn't train
we mayn't train
you mayn't train
they mayn't train 	I mayn't be training
you mayn't be training
he mayn't be training
we mayn't be training
you mayn't be training
they mayn't be training	I mayn't have trained
you mayn't have trained
he mayn't have trained
we mayn't have trained
you mayn't have trained
they mayn't have trained	I mayn't have been training
you mayn't have been training
he mayn't have been training
we mayn't have been training
you mayn't have been training
they mayn't have been training	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I train?
may you train?
may he train?
may we train?
may you train?
may they train? 	may I be training?
may you be training?
may he be training?
may we be training?
may you be training?
may they be training? 	may I have trained?
may you have trained?
may he have trained?
may we have trained?
may you have trained?
may they have trained? 	may I have been training?
may you have been training?
may he have been training?
may we have been training?
may you have been training?
may they have been training? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I train?
mayn't you train?
mayn't he train?
mayn't we train?
mayn't you train?
mayn't they train? 	mayn't I be training?
mayn't you be training?
mayn't he be training?
mayn't we be training?
mayn't you be training?
mayn't they be training? 	mayn't I have trained?
mayn't you have trained?
mayn't he have trained?
mayn't we have trained?
mayn't you have trained?
mayn't they have trained? 	mayn't I have been training?
mayn't you have been training?
mayn't he have been training?
mayn't we have been training?
mayn't you have been training?
mayn't they have been training?