will perturb
Regular verb: perturb - perturbed- perturbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will perturb
you will perturb
he will perturb
we will perturb
you will perturb
they will perturb 	I will be perturbing
you will be perturbing
he will be perturbing
we will be perturbing
you will be perturbing
they will be perturbing	I will have perturbed
you will have perturbed
he will have perturbed
we will have perturbed
you will have perturbed
they will have perturbed	I will have been perturbing
you will have been perturbing
he will have been perturbing
we will have been perturbing
you will have been perturbing
they will have been perturbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will not perturb
you will not perturb
he will not perturb
we will not perturb
you will not perturb
they will not perturb 	I will not be perturbing
you will not be perturbing
he will not be perturbing
we will not be perturbing
you will not be perturbing
they will not be perturbing	I will not have perturbed
you will not have perturbed
he will not have perturbed
we will not have perturbed
you will not have perturbed
they will not have perturbed	I will not have been perturbing
you will not have been perturbing
he will not have been perturbing
we will not have been perturbing
you will not have been perturbing
they will not have been perturbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I perturb?
will you perturb?
will he perturb?
will we perturb?
will you perturb?
will they perturb? 	will I be perturbing?
will you be perturbing?
will he be perturbing?
will we be perturbing?
will you be perturbing?
will they be perturbing? 	will I have perturbed?
will you have perturbed?
will he have perturbed?
will we have perturbed?
will you have perturbed?
will they have perturbed? 	will I have been perturbing?
will you have been perturbing?
will he have been perturbing?
will we have been perturbing?
will you have been perturbing?
will they have been perturbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I not perturb?
will you not perturb?
will he not perturb?
will we not perturb?
will you not perturb?
will they not perturb? 	will I not be perturbing?
will you not be perturbing?
will he not be perturbing?
will we not be perturbing?
will you not be perturbing?
will they not be perturbing? 	will I not have perturbed?
will you not have perturbed?
will he not have perturbed?
will we not have perturbed?
will you not have perturbed?
will they not have perturbed? 	will I not have been perturbing?
will you not have been perturbing?
will he not have been perturbing?
will we not have been perturbing?
will you not have been perturbing?
will they not have been perturbing?