English verb conjugation
MUST SEND

Irregular verb: send - sent - sent

Affirmation

Simple form	V-ing form
I must send you must send she must send we must send you must send they must send	I must be sending you must be sending she must be sending we must be sending you must be sending they must be sending
Perfect	V-ing perfect
I must have sent you must have sent she must have sent we must have sent you must have sent they must have sent	I must have been sending you must have been sending she must have been sending we must have been sending you must have been sending they must have been sending

Negation

Simple form	V-ing form
I mustn't send you mustn't send she mustn't send we mustn't send you mustn't send they mustn't send	I mustn't be sending you mustn't be sending she mustn't be sending we mustn't be sending you mustn't be sending they mustn't be sending
Perfect	V-ing perfect
I mustn't have sent you mustn't have sent she mustn't have sent we mustn't have sent you mustn't have sent they mustn't have sent	I mustn't have been sending you mustn't have been sending she mustn't have been sending we mustn't have been sending you mustn't have been sending they mustn't have been sending

Interrogative form

Simple form	V-ing form
must I send? must you send? must she send? must we send? must you send? must they send?	must I be sending? must you be sending? must she be sending? must we be sending? must you be sending? must they be sending?
Perfect	V-ing perfect
must I have sent? must you have sent? must she have sent? must we have sent? must you have sent? must they have sent?	must I have been sending? must you have been sending? must she have been sending? must we have been sending? must you have been sending? must they have been sending?

Interro-negative form

Simple form	V-ing form
mustn't I send? mustn't you send? mustn't she send? mustn't we send? mustn't you send? mustn't they send?	mustn't I be sending? mustn't you be sending? mustn't she be sending? mustn't we be sending? mustn't you be sending? mustn't they be sending?
Perfect	V-ing perfect
mustn't I have sent? mustn't you have sent? mustn't she have sent? mustn't we have sent? mustn't you have sent? mustn't they have sent?	mustn't I have been sending? mustn't you have been sending? mustn't she have been sending? mustn't we have been sending? mustn't you have been sending? mustn't they have been sending?