I'll be cackling you'll be cackling he'll be cackling we'll be cackling you'll be cackling they'll be cackling
Perfect
I'll have cackled you'll have cackled he'll have cackled we'll have cackled you'll have cackled they'll have cackled
V-ing perfect
I'll have been cackling you'll have been cackling he'll have been cackling we'll have been cackling you'll have been cackling they'll have been cackling
Negation
Simple form
I shan't cackle you shan't cackle he shan't cackle we shan't cackle you shan't cackle they shan't cackle
V-ing form
I shan't be cackling you shan't be cackling he shan't be cackling we shan't be cackling you shan't be cackling they shan't be cackling
Perfect
I shan't have cackled you shan't have cackled he shan't have cackled we shan't have cackled you shan't have cackled they shan't have cackled
V-ing perfect
I shan't have been cackling you shan't have been cackling he shan't have been cackling we shan't have been cackling you shan't have been cackling they shan't have been cackling
Interrogative form
Simple form
shall I cackle? shall you cackle? shall he cackle? shall we cackle? shall you cackle? shall they cackle?
V-ing form
shall I be cackling? shall you be cackling? shall he be cackling? shall we be cackling? shall you be cackling? shall they be cackling?
Perfect
shall I have cackled? shall you have cackled? shall he have cackled? shall we have cackled? shall you have cackled? shall they have cackled?
V-ing perfect
shall I have been cackling? shall you have been cackling? shall he have been cackling? shall we have been cackling? shall you have been cackling? shall they have been cackling?
Interro-negative form
Simple form
shan't I cackle? shan't you cackle? shan't he cackle? shan't we cackle? shan't you cackle? shan't they cackle?
V-ing form
shan't I be cackling? shan't you be cackling? shan't he be cackling? shan't we be cackling? shan't you be cackling? shan't they be cackling?
Perfect
shan't I have cackled? shan't you have cackled? shan't he have cackled? shan't we have cackled? shan't you have cackled? shan't they have cackled?
V-ing perfect
shan't I have been cackling? shan't you have been cackling? shan't he have been cackling? shan't we have been cackling? shan't you have been cackling? shan't they have been cackling?