must diminish
Verbo regular: diminish - diminished- diminished

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must diminish
you must diminish
he must diminish
we must diminish
you must diminish
they must diminish 	I must be diminishing
you must be diminishing
he must be diminishing
we must be diminishing
you must be diminishing
they must be diminishing	I must have diminished
you must have diminished
he must have diminished
we must have diminished
you must have diminished
they must have diminished	I must have been diminishing
you must have been diminishing
he must have been diminishing
we must have been diminishing
you must have been diminishing
they must have been diminishing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not diminish
you must not diminish
he must not diminish
we must not diminish
you must not diminish
they must not diminish 	I must not be diminishing
you must not be diminishing
he must not be diminishing
we must not be diminishing
you must not be diminishing
they must not be diminishing	I must not have diminished
you must not have diminished
he must not have diminished
we must not have diminished
you must not have diminished
they must not have diminished	I must not have been diminishing
you must not have been diminishing
he must not have been diminishing
we must not have been diminishing
you must not have been diminishing
they must not have been diminishing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I diminish?
must you diminish?
must he diminish?
must we diminish?
must you diminish?
must they diminish? 	must I be diminishing?
must you be diminishing?
must he be diminishing?
must we be diminishing?
must you be diminishing?
must they be diminishing? 	must I have diminished?
must you have diminished?
must he have diminished?
must we have diminished?
must you have diminished?
must they have diminished? 	must I have been diminishing?
must you have been diminishing?
must he have been diminishing?
must we have been diminishing?
must you have been diminishing?
must they have been diminishing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not diminish?
must you not diminish?
must he not diminish?
must we not diminish?
must you not diminish?
must they not diminish? 	must I not be diminishing?
must you not be diminishing?
must he not be diminishing?
must we not be diminishing?
must you not be diminishing?
must they not be diminishing? 	must I not have diminished?
must you not have diminished?
must he not have diminished?
must we not have diminished?
must you not have diminished?
must they not have diminished? 	must I not have been diminishing?
must you not have been diminishing?
must he not have been diminishing?
must we not have been diminishing?
must you not have been diminishing?
must they not have been diminishing?