will crackle
Regular verb: crackle - crackled- crackled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will crackle
you will crackle
he will crackle
we will crackle
you will crackle
they will crackle 	I will be crackling
you will be crackling
he will be crackling
we will be crackling
you will be crackling
they will be crackling	I will have crackled
you will have crackled
he will have crackled
we will have crackled
you will have crackled
they will have crackled	I will have been crackling
you will have been crackling
he will have been crackling
we will have been crackling
you will have been crackling
they will have been crackling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will not crackle
you will not crackle
he will not crackle
we will not crackle
you will not crackle
they will not crackle 	I will not be crackling
you will not be crackling
he will not be crackling
we will not be crackling
you will not be crackling
they will not be crackling	I will not have crackled
you will not have crackled
he will not have crackled
we will not have crackled
you will not have crackled
they will not have crackled	I will not have been crackling
you will not have been crackling
he will not have been crackling
we will not have been crackling
you will not have been crackling
they will not have been crackling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I crackle?
will you crackle?
will he crackle?
will we crackle?
will you crackle?
will they crackle? 	will I be crackling?
will you be crackling?
will he be crackling?
will we be crackling?
will you be crackling?
will they be crackling? 	will I have crackled?
will you have crackled?
will he have crackled?
will we have crackled?
will you have crackled?
will they have crackled? 	will I have been crackling?
will you have been crackling?
will he have been crackling?
will we have been crackling?
will you have been crackling?
will they have been crackling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I not crackle?
will you not crackle?
will he not crackle?
will we not crackle?
will you not crackle?
will they not crackle? 	will I not be crackling?
will you not be crackling?
will he not be crackling?
will we not be crackling?
will you not be crackling?
will they not be crackling? 	will I not have crackled?
will you not have crackled?
will he not have crackled?
will we not have crackled?
will you not have crackled?
will they not have crackled? 	will I not have been crackling?
will you not have been crackling?
will he not have been crackling?
will we not have been crackling?
will you not have been crackling?
will they not have been crackling?