may negotiate
Regular verb: negotiate - negotiated- negotiated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may negotiate
you may negotiate
he may negotiate
we may negotiate
you may negotiate
they may negotiate 	I may be negotiating
you may be negotiating
he may be negotiating
we may be negotiating
you may be negotiating
they may be negotiating	I may have negotiated
you may have negotiated
he may have negotiated
we may have negotiated
you may have negotiated
they may have negotiated	I may have been negotiating
you may have been negotiating
he may have been negotiating
we may have been negotiating
you may have been negotiating
they may have been negotiating	

Negation 	
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I mayn't negotiate
you mayn't negotiate
he mayn't negotiate
we mayn't negotiate
you mayn't negotiate
they mayn't negotiate 	I mayn't be negotiating
you mayn't be negotiating
he mayn't be negotiating
we mayn't be negotiating
you mayn't be negotiating
they mayn't be negotiating	I mayn't have negotiated
you mayn't have negotiated
he mayn't have negotiated
we mayn't have negotiated
you mayn't have negotiated
they mayn't have negotiated	I mayn't have been negotiating
you mayn't have been negotiating
he mayn't have been negotiating
we mayn't have been negotiating
you mayn't have been negotiating
they mayn't have been negotiating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I negotiate?
may you negotiate?
may he negotiate?
may we negotiate?
may you negotiate?
may they negotiate? 	may I be negotiating?
may you be negotiating?
may he be negotiating?
may we be negotiating?
may you be negotiating?
may they be negotiating? 	may I have negotiated?
may you have negotiated?
may he have negotiated?
may we have negotiated?
may you have negotiated?
may they have negotiated? 	may I have been negotiating?
may you have been negotiating?
may he have been negotiating?
may we have been negotiating?
may you have been negotiating?
may they have been negotiating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I negotiate?
mayn't you negotiate?
mayn't he negotiate?
mayn't we negotiate?
mayn't you negotiate?
mayn't they negotiate? 	mayn't I be negotiating?
mayn't you be negotiating?
mayn't he be negotiating?
mayn't we be negotiating?
mayn't you be negotiating?
mayn't they be negotiating? 	mayn't I have negotiated?
mayn't you have negotiated?
mayn't he have negotiated?
mayn't we have negotiated?
mayn't you have negotiated?
mayn't they have negotiated? 	mayn't I have been negotiating?
mayn't you have been negotiating?
mayn't he have been negotiating?
mayn't we have been negotiating?
mayn't you have been negotiating?
mayn't they have been negotiating?