I ought to infect you ought to infect she ought to infect we ought to infect you ought to infect they ought to infect
V-ing form
I ought to be infecting you ought to be infecting she ought to be infecting we ought to be infecting you ought to be infecting they ought to be infecting
Perfect
I ought to have infected you ought to have infected she ought to have infected we ought to have infected you ought to have infected they ought to have infected
V-ing perfect
I ought to have been infecting you ought to have been infecting she ought to have been infecting we ought to have been infecting you ought to have been infecting they ought to have been infecting
Negation
Simple form
I oughtn't to infect you oughtn't to infect she oughtn't to infect we oughtn't to infect you oughtn't to infect they oughtn't to infect
V-ing form
I oughtn't to be infecting you oughtn't to be infecting she oughtn't to be infecting we oughtn't to be infecting you oughtn't to be infecting they oughtn't to be infecting
Perfect
I oughtn't to have infected you oughtn't to have infected she oughtn't to have infected we oughtn't to have infected you oughtn't to have infected they oughtn't to have infected
V-ing perfect
I oughtn't to have been infecting you oughtn't to have been infecting she oughtn't to have been infecting we oughtn't to have been infecting you oughtn't to have been infecting they oughtn't to have been infecting
Interrogative form
Simple form
ought to I infect? ought to you infect? ought to she infect? ought to we infect? ought to you infect? ought to they infect?
V-ing form
ought to I be infecting? ought to you be infecting? ought to she be infecting? ought to we be infecting? ought to you be infecting? ought to they be infecting?
Perfect
ought to I have infected? ought to you have infected? ought to she have infected? ought to we have infected? ought to you have infected? ought to they have infected?
V-ing perfect
ought to I have been infecting? ought to you have been infecting? ought to she have been infecting? ought to we have been infecting? ought to you have been infecting? ought to they have been infecting?
Interro-negative form
Simple form
oughtn't I to infect? oughtn't you to infect? oughtn't she to infect? oughtn't we to infect? oughtn't you to infect? oughtn't they to infect?
V-ing form
oughtn't I to be infecting? oughtn't you to be infecting? oughtn't she to be infecting? oughtn't we to be infecting? oughtn't you to be infecting? oughtn't they to be infecting?
Perfect
oughtn't I to have infected? oughtn't you to have infected? oughtn't she to have infected? oughtn't we to have infected? oughtn't you to have infected? oughtn't they to have infected?
V-ing perfect
oughtn't I to have been infecting? oughtn't you to have been infecting? oughtn't she to have been infecting? oughtn't we to have been infecting? oughtn't you to have been infecting? oughtn't they to have been infecting?