can precertify
Verbo regolare: precertify - precertified- precertified

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can precertify
you can precertify
he can precertify
we can precertify
you can precertify
they can precertify 	I can be precertifying
you can be precertifying
he can be precertifying
we can be precertifying
you can be precertifying
they can be precertifying	I can have precertified
you can have precertified
he can have precertified
we can have precertified
you can have precertified
they can have precertified	I can have been precertifying
you can have been precertifying
he can have been precertifying
we can have been precertifying
you can have been precertifying
they can have been precertifying	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can't precertify
you can't precertify
he can't precertify
we can't precertify
you can't precertify
they can't precertify 	I can't be precertifying
you can't be precertifying
he can't be precertifying
we can't be precertifying
you can't be precertifying
they can't be precertifying	I can't have precertified
you can't have precertified
he can't have precertified
we can't have precertified
you can't have precertified
they can't have precertified	I can't have been precertifying
you can't have been precertifying
he can't have been precertifying
we can't have been precertifying
you can't have been precertifying
they can't have been precertifying	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I precertify?
can you precertify?
can he precertify?
can we precertify?
can you precertify?
can they precertify? 	can I be precertifying?
can you be precertifying?
can he be precertifying?
can we be precertifying?
can you be precertifying?
can they be precertifying? 	can I have precertified?
can you have precertified?
can he have precertified?
can we have precertified?
can you have precertified?
can they have precertified? 	can I have been precertifying?
can you have been precertifying?
can he have been precertifying?
can we have been precertifying?
can you have been precertifying?
can they have been precertifying? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can't I precertify?
can't you precertify?
can't he precertify?
can't we precertify?
can't you precertify?
can't they precertify? 	can't I be precertifying?
can't you be precertifying?
can't he be precertifying?
can't we be precertifying?
can't you be precertifying?
can't they be precertifying? 	can't I have precertified?
can't you have precertified?
can't he have precertified?
can't we have precertified?
can't you have precertified?
can't they have precertified? 	can't I have been precertifying?
can't you have been precertifying?
can't he have been precertifying?
can't we have been precertifying?
can't you have been precertifying?
can't they have been precertifying?