shall preinvestigate
Regular verb: preinvestigate - preinvestigated- preinvestigated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll preinvestigate
you'll preinvestigate
he'll preinvestigate
we'll preinvestigate
you'll preinvestigate
they'll preinvestigate 	I'll be preinvestigating
you'll be preinvestigating
he'll be preinvestigating
we'll be preinvestigating
you'll be preinvestigating
they'll be preinvestigating	I'll have preinvestigated
you'll have preinvestigated
he'll have preinvestigated
we'll have preinvestigated
you'll have preinvestigated
they'll have preinvestigated	I'll have been preinvestigating
you'll have been preinvestigating
he'll have been preinvestigating
we'll have been preinvestigating
you'll have been preinvestigating
they'll have been preinvestigating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't preinvestigate
you shan't preinvestigate
he shan't preinvestigate
we shan't preinvestigate
you shan't preinvestigate
they shan't preinvestigate 	I shan't be preinvestigating
you shan't be preinvestigating
he shan't be preinvestigating
we shan't be preinvestigating
you shan't be preinvestigating
they shan't be preinvestigating	I shan't have preinvestigated
you shan't have preinvestigated
he shan't have preinvestigated
we shan't have preinvestigated
you shan't have preinvestigated
they shan't have preinvestigated	I shan't have been preinvestigating
you shan't have been preinvestigating
he shan't have been preinvestigating
we shan't have been preinvestigating
you shan't have been preinvestigating
they shan't have been preinvestigating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I preinvestigate?
shall you preinvestigate?
shall he preinvestigate?
shall we preinvestigate?
shall you preinvestigate?
shall they preinvestigate? 	shall I be preinvestigating?
shall you be preinvestigating?
shall he be preinvestigating?
shall we be preinvestigating?
shall you be preinvestigating?
shall they be preinvestigating? 	shall I have preinvestigated?
shall you have preinvestigated?
shall he have preinvestigated?
shall we have preinvestigated?
shall you have preinvestigated?
shall they have preinvestigated? 	shall I have been preinvestigating?
shall you have been preinvestigating?
shall he have been preinvestigating?
shall we have been preinvestigating?
shall you have been preinvestigating?
shall they have been preinvestigating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I preinvestigate?
shan't you preinvestigate?
shan't he preinvestigate?
shan't we preinvestigate?
shan't you preinvestigate?
shan't they preinvestigate? 	shan't I be preinvestigating?
shan't you be preinvestigating?
shan't he be preinvestigating?
shan't we be preinvestigating?
shan't you be preinvestigating?
shan't they be preinvestigating? 	shan't I have preinvestigated?
shan't you have preinvestigated?
shan't he have preinvestigated?
shan't we have preinvestigated?
shan't you have preinvestigated?
shan't they have preinvestigated? 	shan't I have been preinvestigating?
shan't you have been preinvestigating?
shan't he have been preinvestigating?
shan't we have been preinvestigating?
shan't you have been preinvestigating?
shan't they have been preinvestigating?