I should infect you should infect he should infect we should infect you should infect they should infect
V-ing form
I should be infecting you should be infecting he should be infecting we should be infecting you should be infecting they should be infecting
Perfect
I should have infected you should have infected he should have infected we should have infected you should have infected they should have infected
V-ing perfect
I should have been infecting you should have been infecting he should have been infecting we should have been infecting you should have been infecting they should have been infecting
Negation
Simple form
I should not infect you should not infect he should not infect we should not infect you should not infect they should not infect
V-ing form
I should not be infecting you should not be infecting he should not be infecting we should not be infecting you should not be infecting they should not be infecting
Perfect
I should not have infected you should not have infected he should not have infected we should not have infected you should not have infected they should not have infected
V-ing perfect
I should not have been infecting you should not have been infecting he should not have been infecting we should not have been infecting you should not have been infecting they should not have been infecting
Interrogative form
Simple form
should I infect? should you infect? should he infect? should we infect? should you infect? should they infect?
V-ing form
should I be infecting? should you be infecting? should he be infecting? should we be infecting? should you be infecting? should they be infecting?
Perfect
should I have infected? should you have infected? should he have infected? should we have infected? should you have infected? should they have infected?
V-ing perfect
should I have been infecting? should you have been infecting? should he have been infecting? should we have been infecting? should you have been infecting? should they have been infecting?
Interro-negative form
Simple form
should I not infect? should you not infect? should he not infect? should we not infect? should you not infect? should they not infect?
V-ing form
should I not be infecting? should you not be infecting? should he not be infecting? should we not be infecting? should you not be infecting? should they not be infecting?
Perfect
should I not have infected? should you not have infected? should he not have infected? should we not have infected? should you not have infected? should they not have infected?
V-ing perfect
should I not have been infecting? should you not have been infecting? should he not have been infecting? should we not have been infecting? should you not have been infecting? should they not have been infecting?