Coniugazione del verbo inglese
MUST LACK

Verbo regolare: lack - lacked - lacked

Affermazione

Forma semplice	Forma con V-ing
I must lack you must lack she must lack we must lack you must lack they must lack	I must be lacking you must be lacking she must be lacking we must be lacking you must be lacking they must be lacking
Perfetto	Perfetto con V-ing
I must have lacked you must have lacked she must have lacked we must have lacked you must have lacked they must have lacked	I must have been lacking you must have been lacking she must have been lacking we must have been lacking you must have been lacking they must have been lacking

Negazione

Forma semplice	Forma con V-ing
I must not lack you must not lack she must not lack we must not lack you must not lack they must not lack	I must not be lacking you must not be lacking she must not be lacking we must not be lacking you must not be lacking they must not be lacking
Perfetto	Perfetto con V-ing
I must not have lacked you must not have lacked she must not have lacked we must not have lacked you must not have lacked they must not have lacked	I must not have been lacking you must not have been lacking she must not have been lacking we must not have been lacking you must not have been lacking they must not have been lacking

Forma interrogativa

Forma semplice	Forma con V-ing
must I lack? must you lack? must she lack? must we lack? must you lack? must they lack?	must I be lacking? must you be lacking? must she be lacking? must we be lacking? must you be lacking? must they be lacking?
Perfetto	Perfetto con V-ing
must I have lacked? must you have lacked? must she have lacked? must we have lacked? must you have lacked? must they have lacked?	must I have been lacking? must you have been lacking? must she have been lacking? must we have been lacking? must you have been lacking? must they have been lacking?

Forma interro-negativa

Forma semplice	Forma con V-ing
must I not lack? must you not lack? must she not lack? must we not lack? must you not lack? must they not lack?	must I not be lacking? must you not be lacking? must she not be lacking? must we not be lacking? must you not be lacking? must they not be lacking?
Perfetto	Perfetto con V-ing
must I not have lacked? must you not have lacked? must she not have lacked? must we not have lacked? must you not have lacked? must they not have lacked?	must I not have been lacking? must you not have been lacking? must she not have been lacking? must we not have been lacking? must you not have been lacking? must they not have been lacking?