can preinvestigate
Verbe régulier : preinvestigate - preinvestigated- preinvestigated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can preinvestigate
you can preinvestigate
she can preinvestigate
we can preinvestigate
you can preinvestigate
they can preinvestigate 	I can be preinvestigating
you can be preinvestigating
she can be preinvestigating
we can be preinvestigating
you can be preinvestigating
they can be preinvestigating	I can have preinvestigated
you can have preinvestigated
she can have preinvestigated
we can have preinvestigated
you can have preinvestigated
they can have preinvestigated	I can have been preinvestigating
you can have been preinvestigating
she can have been preinvestigating
we can have been preinvestigating
you can have been preinvestigating
they can have been preinvestigating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't preinvestigate
you can't preinvestigate
she can't preinvestigate
we can't preinvestigate
you can't preinvestigate
they can't preinvestigate 	I can't be preinvestigating
you can't be preinvestigating
she can't be preinvestigating
we can't be preinvestigating
you can't be preinvestigating
they can't be preinvestigating	I can't have preinvestigated
you can't have preinvestigated
she can't have preinvestigated
we can't have preinvestigated
you can't have preinvestigated
they can't have preinvestigated	I can't have been preinvestigating
you can't have been preinvestigating
she can't have been preinvestigating
we can't have been preinvestigating
you can't have been preinvestigating
they can't have been preinvestigating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I preinvestigate?
can you preinvestigate?
can she preinvestigate?
can we preinvestigate?
can you preinvestigate?
can they preinvestigate? 	can I be preinvestigating?
can you be preinvestigating?
can she be preinvestigating?
can we be preinvestigating?
can you be preinvestigating?
can they be preinvestigating? 	can I have preinvestigated?
can you have preinvestigated?
can she have preinvestigated?
can we have preinvestigated?
can you have preinvestigated?
can they have preinvestigated? 	can I have been preinvestigating?
can you have been preinvestigating?
can she have been preinvestigating?
can we have been preinvestigating?
can you have been preinvestigating?
can they have been preinvestigating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I preinvestigate?
can't you preinvestigate?
can't she preinvestigate?
can't we preinvestigate?
can't you preinvestigate?
can't they preinvestigate? 	can't I be preinvestigating?
can't you be preinvestigating?
can't she be preinvestigating?
can't we be preinvestigating?
can't you be preinvestigating?
can't they be preinvestigating? 	can't I have preinvestigated?
can't you have preinvestigated?
can't she have preinvestigated?
can't we have preinvestigated?
can't you have preinvestigated?
can't they have preinvestigated? 	can't I have been preinvestigating?
can't you have been preinvestigating?
can't she have been preinvestigating?
can't we have been preinvestigating?
can't you have been preinvestigating?
can't they have been preinvestigating?