must peak
Verbo regular: peak - peaked- peaked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must peak
you must peak
he must peak
we must peak
you must peak
they must peak 	I must be peaking
you must be peaking
he must be peaking
we must be peaking
you must be peaking
they must be peaking	I must have peaked
you must have peaked
he must have peaked
we must have peaked
you must have peaked
they must have peaked	I must have been peaking
you must have been peaking
he must have been peaking
we must have been peaking
you must have been peaking
they must have been peaking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not peak
you must not peak
he must not peak
we must not peak
you must not peak
they must not peak 	I must not be peaking
you must not be peaking
he must not be peaking
we must not be peaking
you must not be peaking
they must not be peaking	I must not have peaked
you must not have peaked
he must not have peaked
we must not have peaked
you must not have peaked
they must not have peaked	I must not have been peaking
you must not have been peaking
he must not have been peaking
we must not have been peaking
you must not have been peaking
they must not have been peaking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I peak?
must you peak?
must he peak?
must we peak?
must you peak?
must they peak? 	must I be peaking?
must you be peaking?
must he be peaking?
must we be peaking?
must you be peaking?
must they be peaking? 	must I have peaked?
must you have peaked?
must he have peaked?
must we have peaked?
must you have peaked?
must they have peaked? 	must I have been peaking?
must you have been peaking?
must he have been peaking?
must we have been peaking?
must you have been peaking?
must they have been peaking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not peak?
must you not peak?
must he not peak?
must we not peak?
must you not peak?
must they not peak? 	must I not be peaking?
must you not be peaking?
must he not be peaking?
must we not be peaking?
must you not be peaking?
must they not be peaking? 	must I not have peaked?
must you not have peaked?
must he not have peaked?
must we not have peaked?
must you not have peaked?
must they not have peaked? 	must I not have been peaking?
must you not have been peaking?
must he not have been peaking?
must we not have been peaking?
must you not have been peaking?
must they not have been peaking?