will ascertain
Regular verb: ascertain - ascertained- ascertained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will ascertain
you will ascertain
he will ascertain
we will ascertain
you will ascertain
they will ascertain 	I will be ascertaining
you will be ascertaining
he will be ascertaining
we will be ascertaining
you will be ascertaining
they will be ascertaining	I will have ascertained
you will have ascertained
he will have ascertained
we will have ascertained
you will have ascertained
they will have ascertained	I will have been ascertaining
you will have been ascertaining
he will have been ascertaining
we will have been ascertaining
you will have been ascertaining
they will have been ascertaining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will not ascertain
you will not ascertain
he will not ascertain
we will not ascertain
you will not ascertain
they will not ascertain 	I will not be ascertaining
you will not be ascertaining
he will not be ascertaining
we will not be ascertaining
you will not be ascertaining
they will not be ascertaining	I will not have ascertained
you will not have ascertained
he will not have ascertained
we will not have ascertained
you will not have ascertained
they will not have ascertained	I will not have been ascertaining
you will not have been ascertaining
he will not have been ascertaining
we will not have been ascertaining
you will not have been ascertaining
they will not have been ascertaining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I ascertain?
will you ascertain?
will he ascertain?
will we ascertain?
will you ascertain?
will they ascertain? 	will I be ascertaining?
will you be ascertaining?
will he be ascertaining?
will we be ascertaining?
will you be ascertaining?
will they be ascertaining? 	will I have ascertained?
will you have ascertained?
will he have ascertained?
will we have ascertained?
will you have ascertained?
will they have ascertained? 	will I have been ascertaining?
will you have been ascertaining?
will he have been ascertaining?
will we have been ascertaining?
will you have been ascertaining?
will they have been ascertaining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I not ascertain?
will you not ascertain?
will he not ascertain?
will we not ascertain?
will you not ascertain?
will they not ascertain? 	will I not be ascertaining?
will you not be ascertaining?
will he not be ascertaining?
will we not be ascertaining?
will you not be ascertaining?
will they not be ascertaining? 	will I not have ascertained?
will you not have ascertained?
will he not have ascertained?
will we not have ascertained?
will you not have ascertained?
will they not have ascertained? 	will I not have been ascertaining?
will you not have been ascertaining?
will he not have been ascertaining?
will we not have been ascertaining?
will you not have been ascertaining?
will they not have been ascertaining?