may precontract
Regular verb: precontract - precontracted- precontracted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may precontract
you may precontract
she may precontract
we may precontract
you may precontract
they may precontract 	I may be precontracting
you may be precontracting
she may be precontracting
we may be precontracting
you may be precontracting
they may be precontracting	I may have precontracted
you may have precontracted
she may have precontracted
we may have precontracted
you may have precontracted
they may have precontracted	I may have been precontracting
you may have been precontracting
she may have been precontracting
we may have been precontracting
you may have been precontracting
they may have been precontracting	

Negation 	
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I mayn't precontract
you mayn't precontract
she mayn't precontract
we mayn't precontract
you mayn't precontract
they mayn't precontract 	I mayn't be precontracting
you mayn't be precontracting
she mayn't be precontracting
we mayn't be precontracting
you mayn't be precontracting
they mayn't be precontracting	I mayn't have precontracted
you mayn't have precontracted
she mayn't have precontracted
we mayn't have precontracted
you mayn't have precontracted
they mayn't have precontracted	I mayn't have been precontracting
you mayn't have been precontracting
she mayn't have been precontracting
we mayn't have been precontracting
you mayn't have been precontracting
they mayn't have been precontracting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I precontract?
may you precontract?
may she precontract?
may we precontract?
may you precontract?
may they precontract? 	may I be precontracting?
may you be precontracting?
may she be precontracting?
may we be precontracting?
may you be precontracting?
may they be precontracting? 	may I have precontracted?
may you have precontracted?
may she have precontracted?
may we have precontracted?
may you have precontracted?
may they have precontracted? 	may I have been precontracting?
may you have been precontracting?
may she have been precontracting?
may we have been precontracting?
may you have been precontracting?
may they have been precontracting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I precontract?
mayn't you precontract?
mayn't she precontract?
mayn't we precontract?
mayn't you precontract?
mayn't they precontract? 	mayn't I be precontracting?
mayn't you be precontracting?
mayn't she be precontracting?
mayn't we be precontracting?
mayn't you be precontracting?
mayn't they be precontracting? 	mayn't I have precontracted?
mayn't you have precontracted?
mayn't she have precontracted?
mayn't we have precontracted?
mayn't you have precontracted?
mayn't they have precontracted? 	mayn't I have been precontracting?
mayn't you have been precontracting?
mayn't she have been precontracting?
mayn't we have been precontracting?
mayn't you have been precontracting?
mayn't they have been precontracting?