I'll be echoing you'll be echoing she'll be echoing we'll be echoing you'll be echoing they'll be echoing
Perfect
I'll have echoed you'll have echoed she'll have echoed we'll have echoed you'll have echoed they'll have echoed
V-ing perfect
I'll have been echoing you'll have been echoing she'll have been echoing we'll have been echoing you'll have been echoing they'll have been echoing
Negation
Simple form
I shan't echo you shan't echo she shan't echo we shan't echo you shan't echo they shan't echo
V-ing form
I shan't be echoing you shan't be echoing she shan't be echoing we shan't be echoing you shan't be echoing they shan't be echoing
Perfect
I shan't have echoed you shan't have echoed she shan't have echoed we shan't have echoed you shan't have echoed they shan't have echoed
V-ing perfect
I shan't have been echoing you shan't have been echoing she shan't have been echoing we shan't have been echoing you shan't have been echoing they shan't have been echoing
Interrogative form
Simple form
shall I echo? shall you echo? shall she echo? shall we echo? shall you echo? shall they echo?
V-ing form
shall I be echoing? shall you be echoing? shall she be echoing? shall we be echoing? shall you be echoing? shall they be echoing?
Perfect
shall I have echoed? shall you have echoed? shall she have echoed? shall we have echoed? shall you have echoed? shall they have echoed?
V-ing perfect
shall I have been echoing? shall you have been echoing? shall she have been echoing? shall we have been echoing? shall you have been echoing? shall they have been echoing?
Interro-negative form
Simple form
shan't I echo? shan't you echo? shan't she echo? shan't we echo? shan't you echo? shan't they echo?
V-ing form
shan't I be echoing? shan't you be echoing? shan't she be echoing? shan't we be echoing? shan't you be echoing? shan't they be echoing?
Perfect
shan't I have echoed? shan't you have echoed? shan't she have echoed? shan't we have echoed? shan't you have echoed? shan't they have echoed?
V-ing perfect
shan't I have been echoing? shan't you have been echoing? shan't she have been echoing? shan't we have been echoing? shan't you have been echoing? shan't they have been echoing?