I must smoothen you must smoothen she must smoothen we must smoothen you must smoothen they must smoothen
Forme en V-ing
I must be smoothening you must be smoothening she must be smoothening we must be smoothening you must be smoothening they must be smoothening
Perfect
I must have smoothened you must have smoothened she must have smoothened we must have smoothened you must have smoothened they must have smoothened
Perfect en V-ing
I must have been smoothening you must have been smoothening she must have been smoothening we must have been smoothening you must have been smoothening they must have been smoothening
Négation
Forme simple
I must not smoothen you must not smoothen she must not smoothen we must not smoothen you must not smoothen they must not smoothen
Forme en V-ing
I must not be smoothening you must not be smoothening she must not be smoothening we must not be smoothening you must not be smoothening they must not be smoothening
Perfect
I must not have smoothened you must not have smoothened she must not have smoothened we must not have smoothened you must not have smoothened they must not have smoothened
Perfect en V-ing
I must not have been smoothening you must not have been smoothening she must not have been smoothening we must not have been smoothening you must not have been smoothening they must not have been smoothening
Forme interrogative
Forme simple
must I smoothen? must you smoothen? must she smoothen? must we smoothen? must you smoothen? must they smoothen?
Forme en V-ing
must I be smoothening? must you be smoothening? must she be smoothening? must we be smoothening? must you be smoothening? must they be smoothening?
Perfect
must I have smoothened? must you have smoothened? must she have smoothened? must we have smoothened? must you have smoothened? must they have smoothened?
Perfect en V-ing
must I have been smoothening? must you have been smoothening? must she have been smoothening? must we have been smoothening? must you have been smoothening? must they have been smoothening?
Forme interro-négative
Forme simple
must I not smoothen? must you not smoothen? must she not smoothen? must we not smoothen? must you not smoothen? must they not smoothen?
Forme en V-ing
must I not be smoothening? must you not be smoothening? must she not be smoothening? must we not be smoothening? must you not be smoothening? must they not be smoothening?
Perfect
must I not have smoothened? must you not have smoothened? must she not have smoothened? must we not have smoothened? must you not have smoothened? must they not have smoothened?
Perfect en V-ing
must I not have been smoothening? must you not have been smoothening? must she not have been smoothening? must we not have been smoothening? must you not have been smoothening? must they not have been smoothening?