will investigate
Regular verb: investigate - investigated- investigated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will investigate
you will investigate
he will investigate
we will investigate
you will investigate
they will investigate 	I will be investigating
you will be investigating
he will be investigating
we will be investigating
you will be investigating
they will be investigating	I will have investigated
you will have investigated
he will have investigated
we will have investigated
you will have investigated
they will have investigated	I will have been investigating
you will have been investigating
he will have been investigating
we will have been investigating
you will have been investigating
they will have been investigating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will not investigate
you will not investigate
he will not investigate
we will not investigate
you will not investigate
they will not investigate 	I will not be investigating
you will not be investigating
he will not be investigating
we will not be investigating
you will not be investigating
they will not be investigating	I will not have investigated
you will not have investigated
he will not have investigated
we will not have investigated
you will not have investigated
they will not have investigated	I will not have been investigating
you will not have been investigating
he will not have been investigating
we will not have been investigating
you will not have been investigating
they will not have been investigating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I investigate?
will you investigate?
will he investigate?
will we investigate?
will you investigate?
will they investigate? 	will I be investigating?
will you be investigating?
will he be investigating?
will we be investigating?
will you be investigating?
will they be investigating? 	will I have investigated?
will you have investigated?
will he have investigated?
will we have investigated?
will you have investigated?
will they have investigated? 	will I have been investigating?
will you have been investigating?
will he have been investigating?
will we have been investigating?
will you have been investigating?
will they have been investigating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I not investigate?
will you not investigate?
will he not investigate?
will we not investigate?
will you not investigate?
will they not investigate? 	will I not be investigating?
will you not be investigating?
will he not be investigating?
will we not be investigating?
will you not be investigating?
will they not be investigating? 	will I not have investigated?
will you not have investigated?
will he not have investigated?
will we not have investigated?
will you not have investigated?
will they not have investigated? 	will I not have been investigating?
will you not have been investigating?
will he not have been investigating?
will we not have been investigating?
will you not have been investigating?
will they not have been investigating?