must send
Verbo irregular: send - sent- sent

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not send
you must not send
she must not send
we must not send
you must not send
they must not send 	I must not be sending
you must not be sending
she must not be sending
we must not be sending
you must not be sending
they must not be sending	I must not have sent
you must not have sent
she must not have sent
we must not have sent
you must not have sent
they must not have sent	I must not have been sending
you must not have been sending
she must not have been sending
we must not have been sending
you must not have been sending
they must not have been sending	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not send?
must you not send?
must she not send?
must we not send?
must you not send?
must they not send? 	must I not be sending?
must you not be sending?
must she not be sending?
must we not be sending?
must you not be sending?
must they not be sending? 	must I not have sent?
must you not have sent?
must she not have sent?
must we not have sent?
must you not have sent?
must they not have sent? 	must I not have been sending?
must you not have been sending?
must she not have been sending?
must we not have been sending?
must you not have been sending?
must they not have been sending?