I must antiquate you must antiquate she must antiquate we must antiquate you must antiquate they must antiquate
V-ing form
I must be antiquating you must be antiquating she must be antiquating we must be antiquating you must be antiquating they must be antiquating
Perfect
I must have antiquated you must have antiquated she must have antiquated we must have antiquated you must have antiquated they must have antiquated
V-ing perfect
I must have been antiquating you must have been antiquating she must have been antiquating we must have been antiquating you must have been antiquating they must have been antiquating
Negation
Simple form
I must not antiquate you must not antiquate she must not antiquate we must not antiquate you must not antiquate they must not antiquate
V-ing form
I must not be antiquating you must not be antiquating she must not be antiquating we must not be antiquating you must not be antiquating they must not be antiquating
Perfect
I must not have antiquated you must not have antiquated she must not have antiquated we must not have antiquated you must not have antiquated they must not have antiquated
V-ing perfect
I must not have been antiquating you must not have been antiquating she must not have been antiquating we must not have been antiquating you must not have been antiquating they must not have been antiquating
Interrogative form
Simple form
must I antiquate? must you antiquate? must she antiquate? must we antiquate? must you antiquate? must they antiquate?
V-ing form
must I be antiquating? must you be antiquating? must she be antiquating? must we be antiquating? must you be antiquating? must they be antiquating?
Perfect
must I have antiquated? must you have antiquated? must she have antiquated? must we have antiquated? must you have antiquated? must they have antiquated?
V-ing perfect
must I have been antiquating? must you have been antiquating? must she have been antiquating? must we have been antiquating? must you have been antiquating? must they have been antiquating?
Interro-negative form
Simple form
must I not antiquate? must you not antiquate? must she not antiquate? must we not antiquate? must you not antiquate? must they not antiquate?
V-ing form
must I not be antiquating? must you not be antiquating? must she not be antiquating? must we not be antiquating? must you not be antiquating? must they not be antiquating?
Perfect
must I not have antiquated? must you not have antiquated? must she not have antiquated? must we not have antiquated? must you not have antiquated? must they not have antiquated?
V-ing perfect
must I not have been antiquating? must you not have been antiquating? must she not have been antiquating? must we not have been antiquating? must you not have been antiquating? must they not have been antiquating?