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 must not butylate you must not butylate she must not butylate we must not butylate you must not butylate they must not butylate
Forme en V-ing
I must not be butylating you must not be butylating she must not be butylating we must not be butylating you must not be butylating they must not be butylating
Perfect
I must not have butylated you must not have butylated she must not have butylated we must not have butylated you must not have butylated they must not have butylated
Perfect en V-ing
I must not have been butylating you must not have been butylating she must not have been butylating we must not have been butylating you must not have been butylating they must not 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
must I not butylate? must you not butylate? must she not butylate? must we not butylate? must you not butylate? must they not butylate?
Forme en V-ing
must I not be butylating? must you not be butylating? must she not be butylating? must we not be butylating? must you not be butylating? must they not be butylating?
Perfect
must I not have butylated? must you not have butylated? must she not have butylated? must we not have butylated? must you not have butylated? must they not have butylated?
Perfect en V-ing
must I not have been butylating? must you not have been butylating? must she not have been butylating? must we not have been butylating? must you not have been butylating? must they not have been butylating?