I'll be ventilating you'll be ventilating she'll be ventilating we'll be ventilating you'll be ventilating they'll be ventilating
Perfect
I'll have ventilated you'll have ventilated she'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 she'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 she 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 she 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 she 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 she 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 she ventilate? shall we ventilate? shall you ventilate? shall they ventilate?
V-ing form
shall I be ventilating? shall you be ventilating? shall she be ventilating? shall we be ventilating? shall you be ventilating? shall they be ventilating?
Perfect
shall I have ventilated? shall you have ventilated? shall she 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 she 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 she 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 she 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 she 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 she have been ventilating? shan't we have been ventilating? shan't you have been ventilating? shan't they have been ventilating?