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