Conjugación del verbo inglés
MAY PRECERTIFY

Verbo regular: precertify - precertified - precertified

Afirmación

Forma simple	Forma con V-ing
I may precertify you may precertify he may precertify we may precertify you may precertify they may precertify	I may be precertifying you may be precertifying he may be precertifying we may be precertifying you may be precertifying they may be precertifying
Perfecto	Perfecto con V-ing
I may have precertified you may have precertified he may have precertified we may have precertified you may have precertified they may have precertified	I may have been precertifying you may have been precertifying he may have been precertifying we may have been precertifying you may have been precertifying they may have been precertifying

Negación

Forma simple	Forma con V-ing
I may not precertify you may not precertify he may not precertify we may not precertify you may not precertify they may not precertify	I may not be precertifying you may not be precertifying he may not be precertifying we may not be precertifying you may not be precertifying they may not be precertifying
Perfecto	Perfecto con V-ing
I may not have precertified you may not have precertified he may not have precertified we may not have precertified you may not have precertified they may not have precertified	I may not have been precertifying you may not have been precertifying he may not have been precertifying we may not have been precertifying you may not have been precertifying they may not have been precertifying

Forma interrogativa

Forma simple	Forma con V-ing
may I precertify? may you precertify? may he precertify? may we precertify? may you precertify? may they precertify?	may I be precertifying? may you be precertifying? may he be precertifying? may we be precertifying? may you be precertifying? may they be precertifying?
Perfecto	Perfecto con V-ing
may I have precertified? may you have precertified? may he have precertified? may we have precertified? may you have precertified? may they have precertified?	may I have been precertifying? may you have been precertifying? may he have been precertifying? may we have been precertifying? may you have been precertifying? may they have been precertifying?

Forma interro-negativa

Forma simple	Forma con V-ing
may I not precertify? may you not precertify? may he not precertify? may we not precertify? may you not precertify? may they not precertify?	may I not be precertifying? may you not be precertifying? may he not be precertifying? may we not be precertifying? may you not be precertifying? may they not be precertifying?
Perfecto	Perfecto con V-ing
may I not have precertified? may you not have precertified? may he not have precertified? may we not have precertified? may you not have precertified? may they not have precertified?	may I not have been precertifying? may you not have been precertifying? may he not have been precertifying? may we not have been precertifying? may you not have been precertifying? may they not have been precertifying?