Regular verb: infect - infected - infected
Simple form | V-ing form |
I must infect you must infect she must infect we must infect you must infect they must infect | I must be infecting you must be infecting she must be infecting we must be infecting you must be infecting they must be infecting |
Perfect | V-ing perfect |
I must have infected you must have infected she must have infected we must have infected you must have infected they must have infected | I must have been infecting you must have been infecting she must have been infecting we must have been infecting you must have been infecting they must have been infecting |
Simple form | V-ing form |
I mustn't infect you mustn't infect she mustn't infect we mustn't infect you mustn't infect they mustn't infect | I mustn't be infecting you mustn't be infecting she mustn't be infecting we mustn't be infecting you mustn't be infecting they mustn't be infecting |
Perfect | V-ing perfect |
I mustn't have infected you mustn't have infected she mustn't have infected we mustn't have infected you mustn't have infected they mustn't have infected | I mustn't have been infecting you mustn't have been infecting she mustn't have been infecting we mustn't have been infecting you mustn't have been infecting they mustn't have been infecting |
Simple form | V-ing form |
must I infect? must you infect? must she infect? must we infect? must you infect? must they infect? | must I be infecting? must you be infecting? must she be infecting? must we be infecting? must you be infecting? must they be infecting? |
Perfect | V-ing perfect |
must I have infected? must you have infected? must she have infected? must we have infected? must you have infected? must they have infected? | must I have been infecting? must you have been infecting? must she have been infecting? must we have been infecting? must you have been infecting? must they have been infecting? |
Simple form | V-ing form |
mustn't I infect? mustn't you infect? mustn't she infect? mustn't we infect? mustn't you infect? mustn't they infect? | mustn't I be infecting? mustn't you be infecting? mustn't she be infecting? mustn't we be infecting? mustn't you be infecting? mustn't they be infecting? |
Perfect | V-ing perfect |
mustn't I have infected? mustn't you have infected? mustn't she have infected? mustn't we have infected? mustn't you have infected? mustn't they have infected? | mustn't I have been infecting? mustn't you have been infecting? mustn't she have been infecting? mustn't we have been infecting? mustn't you have been infecting? mustn't they have been infecting? |