to preinvestigate
Regular verb: preinvestigate - preinvestigated- preinvestigated

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I preinvestigate
you preinvestigate
he preinvestigates
we preinvestigate
you preinvestigate
they preinvestigate 	Iampreinvestigating
youarepreinvestigating
heispreinvestigating
wearepreinvestigating
youarepreinvestigating
theyarepreinvestigating	I preinvestigated
you preinvestigated
he preinvestigated
we preinvestigated
you preinvestigated
they preinvestigated	Iwaspreinvestigating
youwerepreinvestigating
hewaspreinvestigating
wewerepreinvestigating
youwerepreinvestigating
theywerepreinvestigating	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have preinvestigated
you have preinvestigated
he has preinvestigated
we have preinvestigated
you have preinvestigated
they have preinvestigated	I have been preinvestigating
you have been preinvestigating
hehasbeen preinvestigating
we have been preinvestigating
you have been preinvestigating
they have been preinvestigating	I had preinvestigated
you had preinvestigated
he had preinvestigated
we had preinvestigated
you had preinvestigated
they had preinvestigated	I had been preinvestigating
you had been preinvestigating
he had been preinvestigating
we had been preinvestigating
you had been preinvestigating
they had been preinvestigating	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will preinvestigate
you will preinvestigate
he will preinvestigate
we will preinvestigate
you will preinvestigate
they will preinvestigate 	I will be preinvestigating
you will be preinvestigating
he will be preinvestigating
we will be preinvestigating
you will be preinvestigating
they will be preinvestigating	I will have preinvestigated
you will have preinvestigated
he will have preinvestigated
we will have preinvestigated
you will have preinvestigated
they will have preinvestigated	I will have been preinvestigating
you will have been preinvestigating
he will have been preinvestigating
we will have been preinvestigating
you will have been preinvestigating
they will have been preinvestigating	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would preinvestigate
you would preinvestigate
he would preinvestigate
we would preinvestigate
you would preinvestigate
they would preinvestigate 	I would be preinvestigating
you would be preinvestigating
he would be preinvestigating
we would be preinvestigating
you would be preinvestigating
they would be preinvestigating	I would have preinvestigated
you would have preinvestigated
he would have preinvestigated
we would have preinvestigated
you would have preinvestigated
they would have preinvestigated	I would have been preinvestigating
you would have been preinvestigating
he would have been preinvestigating
we would have been preinvestigating
you would have been preinvestigating
they would have been preinvestigating	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to preinvestigate 	 	preinvestigate
Let's preinvestigate
preinvestigate 	 	

Participle 	
Present 	Past 	 	 	
preinvestigating	preinvestigated