may concatenate
Regular verb: concatenate - concatenated- concatenated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may concatenate
you may concatenate
he may concatenate
we may concatenate
you may concatenate
they may concatenate 	I may be concatenating
you may be concatenating
he may be concatenating
we may be concatenating
you may be concatenating
they may be concatenating	I may have concatenated
you may have concatenated
he may have concatenated
we may have concatenated
you may have concatenated
they may have concatenated	I may have been concatenating
you may have been concatenating
he may have been concatenating
we may have been concatenating
you may have been concatenating
they may have been concatenating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't concatenate
you mayn't concatenate
he mayn't concatenate
we mayn't concatenate
you mayn't concatenate
they mayn't concatenate 	I mayn't be concatenating
you mayn't be concatenating
he mayn't be concatenating
we mayn't be concatenating
you mayn't be concatenating
they mayn't be concatenating	I mayn't have concatenated
you mayn't have concatenated
he mayn't have concatenated
we mayn't have concatenated
you mayn't have concatenated
they mayn't have concatenated	I mayn't have been concatenating
you mayn't have been concatenating
he mayn't have been concatenating
we mayn't have been concatenating
you mayn't have been concatenating
they mayn't have been concatenating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I concatenate?
may you concatenate?
may he concatenate?
may we concatenate?
may you concatenate?
may they concatenate? 	may I be concatenating?
may you be concatenating?
may he be concatenating?
may we be concatenating?
may you be concatenating?
may they be concatenating? 	may I have concatenated?
may you have concatenated?
may he have concatenated?
may we have concatenated?
may you have concatenated?
may they have concatenated? 	may I have been concatenating?
may you have been concatenating?
may he have been concatenating?
may we have been concatenating?
may you have been concatenating?
may they have been concatenating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I concatenate?
mayn't you concatenate?
mayn't he concatenate?
mayn't we concatenate?
mayn't you concatenate?
mayn't they concatenate? 	mayn't I be concatenating?
mayn't you be concatenating?
mayn't he be concatenating?
mayn't we be concatenating?
mayn't you be concatenating?
mayn't they be concatenating? 	mayn't I have concatenated?
mayn't you have concatenated?
mayn't he have concatenated?
mayn't we have concatenated?
mayn't you have concatenated?
mayn't they have concatenated? 	mayn't I have been concatenating?
mayn't you have been concatenating?
mayn't he have been concatenating?
mayn't we have been concatenating?
mayn't you have been concatenating?
mayn't they have been concatenating?