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