may preplan
Verbo regular: preplan - preplaned- preplaned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may preplan
you may preplan
he may preplan
we may preplan
you may preplan
they may preplan 	I may be preplaning
you may be preplaning
he may be preplaning
we may be preplaning
you may be preplaning
they may be preplaning	I may have preplaned
you may have preplaned
he may have preplaned
we may have preplaned
you may have preplaned
they may have preplaned	I may have been preplaning
you may have been preplaning
he may have been preplaning
we may have been preplaning
you may have been preplaning
they may have been preplaning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't preplan
you mayn't preplan
he mayn't preplan
we mayn't preplan
you mayn't preplan
they mayn't preplan 	I mayn't be preplaning
you mayn't be preplaning
he mayn't be preplaning
we mayn't be preplaning
you mayn't be preplaning
they mayn't be preplaning	I mayn't have preplaned
you mayn't have preplaned
he mayn't have preplaned
we mayn't have preplaned
you mayn't have preplaned
they mayn't have preplaned	I mayn't have been preplaning
you mayn't have been preplaning
he mayn't have been preplaning
we mayn't have been preplaning
you mayn't have been preplaning
they mayn't have been preplaning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I preplan?
may you preplan?
may he preplan?
may we preplan?
may you preplan?
may they preplan? 	may I be preplaning?
may you be preplaning?
may he be preplaning?
may we be preplaning?
may you be preplaning?
may they be preplaning? 	may I have preplaned?
may you have preplaned?
may he have preplaned?
may we have preplaned?
may you have preplaned?
may they have preplaned? 	may I have been preplaning?
may you have been preplaning?
may he have been preplaning?
may we have been preplaning?
may you have been preplaning?
may they have been preplaning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I preplan?
mayn't you preplan?
mayn't he preplan?
mayn't we preplan?
mayn't you preplan?
mayn't they preplan? 	mayn't I be preplaning?
mayn't you be preplaning?
mayn't he be preplaning?
mayn't we be preplaning?
mayn't you be preplaning?
mayn't they be preplaning? 	mayn't I have preplaned?
mayn't you have preplaned?
mayn't he have preplaned?
mayn't we have preplaned?
mayn't you have preplaned?
mayn't they have preplaned? 	mayn't I have been preplaning?
mayn't you have been preplaning?
mayn't he have been preplaning?
mayn't we have been preplaning?
mayn't you have been preplaning?
mayn't they have been preplaning?