must zing
Verbo regolare: zing - zinged- zinged

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must zing
you must zing
he must zing
we must zing
you must zing
they must zing 	I must be zinging
you must be zinging
he must be zinging
we must be zinging
you must be zinging
they must be zinging	I must have zinged
you must have zinged
he must have zinged
we must have zinged
you must have zinged
they must have zinged	I must have been zinging
you must have been zinging
he must have been zinging
we must have been zinging
you must have been zinging
they must have been zinging	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not zing
you must not zing
he must not zing
we must not zing
you must not zing
they must not zing 	I must not be zinging
you must not be zinging
he must not be zinging
we must not be zinging
you must not be zinging
they must not be zinging	I must not have zinged
you must not have zinged
he must not have zinged
we must not have zinged
you must not have zinged
they must not have zinged	I must not have been zinging
you must not have been zinging
he must not have been zinging
we must not have been zinging
you must not have been zinging
they must not have been zinging	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I zing?
must you zing?
must he zing?
must we zing?
must you zing?
must they zing? 	must I be zinging?
must you be zinging?
must he be zinging?
must we be zinging?
must you be zinging?
must they be zinging? 	must I have zinged?
must you have zinged?
must he have zinged?
must we have zinged?
must you have zinged?
must they have zinged? 	must I have been zinging?
must you have been zinging?
must he have been zinging?
must we have been zinging?
must you have been zinging?
must they have been zinging? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not zing?
must you not zing?
must he not zing?
must we not zing?
must you not zing?
must they not zing? 	must I not be zinging?
must you not be zinging?
must he not be zinging?
must we not be zinging?
must you not be zinging?
must they not be zinging? 	must I not have zinged?
must you not have zinged?
must he not have zinged?
must we not have zinged?
must you not have zinged?
must they not have zinged? 	must I not have been zinging?
must you not have been zinging?
must he not have been zinging?
must we not have been zinging?
must you not have been zinging?
must they not have been zinging?