English verb conjugation
MUST SCAM

Regular verb: scam - scammed - scammed

Affirmation

Simple form	V-ing form
I must scam you must scam she must scam we must scam you must scam they must scam	I must be scamming you must be scamming she must be scamming we must be scamming you must be scamming they must be scamming
Perfect	V-ing perfect
I must have scammed you must have scammed she must have scammed we must have scammed you must have scammed they must have scammed	I must have been scamming you must have been scamming she must have been scamming we must have been scamming you must have been scamming they must have been scamming

Negation

Simple form	V-ing form
I mustn't scam you mustn't scam she mustn't scam we mustn't scam you mustn't scam they mustn't scam	I mustn't be scamming you mustn't be scamming she mustn't be scamming we mustn't be scamming you mustn't be scamming they mustn't be scamming
Perfect	V-ing perfect
I mustn't have scammed you mustn't have scammed she mustn't have scammed we mustn't have scammed you mustn't have scammed they mustn't have scammed	I mustn't have been scamming you mustn't have been scamming she mustn't have been scamming we mustn't have been scamming you mustn't have been scamming they mustn't have been scamming

Interrogative form

Simple form	V-ing form
must I scam? must you scam? must she scam? must we scam? must you scam? must they scam?	must I be scamming? must you be scamming? must she be scamming? must we be scamming? must you be scamming? must they be scamming?
Perfect	V-ing perfect
must I have scammed? must you have scammed? must she have scammed? must we have scammed? must you have scammed? must they have scammed?	must I have been scamming? must you have been scamming? must she have been scamming? must we have been scamming? must you have been scamming? must they have been scamming?

Interro-negative form

Simple form	V-ing form
mustn't I scam? mustn't you scam? mustn't she scam? mustn't we scam? mustn't you scam? mustn't they scam?	mustn't I be scamming? mustn't you be scamming? mustn't she be scamming? mustn't we be scamming? mustn't you be scamming? mustn't they be scamming?
Perfect	V-ing perfect
mustn't I have scammed? mustn't you have scammed? mustn't she have scammed? mustn't we have scammed? mustn't you have scammed? mustn't they have scammed?	mustn't I have been scamming? mustn't you have been scamming? mustn't she have been scamming? mustn't we have been scamming? mustn't you have been scamming? mustn't they have been scamming?