I must butylate you must butylate she must butylate we must butylate you must butylate they must butylate
Forme en V-ing
I must be butylating you must be butylating she must be butylating we must be butylating you must be butylating they must be butylating
Perfect
I must have butylated you must have butylated she must have butylated we must have butylated you must have butylated they must have butylated
Perfect en V-ing
I must have been butylating you must have been butylating she must have been butylating we must have been butylating you must have been butylating they must have been butylating
Négation
Forme simple
I mustn't butylate you mustn't butylate she mustn't butylate we mustn't butylate you mustn't butylate they mustn't butylate
Forme en V-ing
I mustn't be butylating you mustn't be butylating she mustn't be butylating we mustn't be butylating you mustn't be butylating they mustn't be butylating
Perfect
I mustn't have butylated you mustn't have butylated she mustn't have butylated we mustn't have butylated you mustn't have butylated they mustn't have butylated
Perfect en V-ing
I mustn't have been butylating you mustn't have been butylating she mustn't have been butylating we mustn't have been butylating you mustn't have been butylating they mustn't have been butylating
Forme interrogative
Forme simple
must I butylate? must you butylate? must she butylate? must we butylate? must you butylate? must they butylate?
Forme en V-ing
must I be butylating? must you be butylating? must she be butylating? must we be butylating? must you be butylating? must they be butylating?
Perfect
must I have butylated? must you have butylated? must she have butylated? must we have butylated? must you have butylated? must they have butylated?
Perfect en V-ing
must I have been butylating? must you have been butylating? must she have been butylating? must we have been butylating? must you have been butylating? must they have been butylating?
Forme interro-négative
Forme simple
mustn't I butylate? mustn't you butylate? mustn't she butylate? mustn't we butylate? mustn't you butylate? mustn't they butylate?
Forme en V-ing
mustn't I be butylating? mustn't you be butylating? mustn't she be butylating? mustn't we be butylating? mustn't you be butylating? mustn't they be butylating?
Perfect
mustn't I have butylated? mustn't you have butylated? mustn't she have butylated? mustn't we have butylated? mustn't you have butylated? mustn't they have butylated?
Perfect en V-ing
mustn't I have been butylating? mustn't you have been butylating? mustn't she have been butylating? mustn't we have been butylating? mustn't you have been butylating? mustn't they have been butylating?