will clack
Regular verb: clack - clacked- clacked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll clack
you'll clack
she'll clack
we'll clack
you'll clack
they'll clack 	I'll be clacking
you'll be clacking
she'll be clacking
we'll be clacking
you'll be clacking
they'll be clacking	I'll have clacked
you'll have clacked
she'll have clacked
we'll have clacked
you'll have clacked
they'll have clacked	I'll have been clacking
you'll have been clacking
she'll have been clacking
we'll have been clacking
you'll have been clacking
they'll have been clacking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I won't clack
you won't clack
she won't clack
we won't clack
you won't clack
they won't clack 	I won't be clacking
you won't be clacking
she won't be clacking
we won't be clacking
you won't be clacking
they won't be clacking	I won't have clacked
you won't have clacked
she won't have clacked
we won't have clacked
you won't have clacked
they won't have clacked	I won't have been clacking
you won't have been clacking
she won't have been clacking
we won't have been clacking
you won't have been clacking
they won't have been clacking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I clack?
will you clack?
will she clack?
will we clack?
will you clack?
will they clack? 	will I be clacking?
will you be clacking?
will she be clacking?
will we be clacking?
will you be clacking?
will they be clacking? 	will I have clacked?
will you have clacked?
will she have clacked?
will we have clacked?
will you have clacked?
will they have clacked? 	will I have been clacking?
will you have been clacking?
will she have been clacking?
will we have been clacking?
will you have been clacking?
will they have been clacking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
won't I clack?
won't you clack?
won't she clack?
won't we clack?
won't you clack?
won't they clack? 	won't I be clacking?
won't you be clacking?
won't she be clacking?
won't we be clacking?
won't you be clacking?
won't they be clacking? 	won't I have clacked?
won't you have clacked?
won't she have clacked?
won't we have clacked?
won't you have clacked?
won't they have clacked? 	won't I have been clacking?
won't you have been clacking?
won't she have been clacking?
won't we have been clacking?
won't you have been clacking?
won't they have been clacking?