I must aggregate you must aggregate she must aggregate we must aggregate you must aggregate they must aggregate
V-ing form
I must be aggregating you must be aggregating she must be aggregating we must be aggregating you must be aggregating they must be aggregating
Perfect
I must have aggregated you must have aggregated she must have aggregated we must have aggregated you must have aggregated they must have aggregated
V-ing perfect
I must have been aggregating you must have been aggregating she must have been aggregating we must have been aggregating you must have been aggregating they must have been aggregating
Negation
Simple form
I mustn't aggregate you mustn't aggregate she mustn't aggregate we mustn't aggregate you mustn't aggregate they mustn't aggregate
V-ing form
I mustn't be aggregating you mustn't be aggregating she mustn't be aggregating we mustn't be aggregating you mustn't be aggregating they mustn't be aggregating
Perfect
I mustn't have aggregated you mustn't have aggregated she mustn't have aggregated we mustn't have aggregated you mustn't have aggregated they mustn't have aggregated
V-ing perfect
I mustn't have been aggregating you mustn't have been aggregating she mustn't have been aggregating we mustn't have been aggregating you mustn't have been aggregating they mustn't have been aggregating
Interrogative form
Simple form
must I aggregate? must you aggregate? must she aggregate? must we aggregate? must you aggregate? must they aggregate?
V-ing form
must I be aggregating? must you be aggregating? must she be aggregating? must we be aggregating? must you be aggregating? must they be aggregating?
Perfect
must I have aggregated? must you have aggregated? must she have aggregated? must we have aggregated? must you have aggregated? must they have aggregated?
V-ing perfect
must I have been aggregating? must you have been aggregating? must she have been aggregating? must we have been aggregating? must you have been aggregating? must they have been aggregating?
Interro-negative form
Simple form
mustn't I aggregate? mustn't you aggregate? mustn't she aggregate? mustn't we aggregate? mustn't you aggregate? mustn't they aggregate?
V-ing form
mustn't I be aggregating? mustn't you be aggregating? mustn't she be aggregating? mustn't we be aggregating? mustn't you be aggregating? mustn't they be aggregating?
Perfect
mustn't I have aggregated? mustn't you have aggregated? mustn't she have aggregated? mustn't we have aggregated? mustn't you have aggregated? mustn't they have aggregated?
V-ing perfect
mustn't I have been aggregating? mustn't you have been aggregating? mustn't she have been aggregating? mustn't we have been aggregating? mustn't you have been aggregating? mustn't they have been aggregating?