must precipitate
Verbo regular: precipitate - precipitated- precipitated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must precipitate
you must precipitate
he must precipitate
we must precipitate
you must precipitate
they must precipitate 	I must be precipitating
you must be precipitating
he must be precipitating
we must be precipitating
you must be precipitating
they must be precipitating	I must have precipitated
you must have precipitated
he must have precipitated
we must have precipitated
you must have precipitated
they must have precipitated	I must have been precipitating
you must have been precipitating
he must have been precipitating
we must have been precipitating
you must have been precipitating
they must have been precipitating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not precipitate
you must not precipitate
he must not precipitate
we must not precipitate
you must not precipitate
they must not precipitate 	I must not be precipitating
you must not be precipitating
he must not be precipitating
we must not be precipitating
you must not be precipitating
they must not be precipitating	I must not have precipitated
you must not have precipitated
he must not have precipitated
we must not have precipitated
you must not have precipitated
they must not have precipitated	I must not have been precipitating
you must not have been precipitating
he must not have been precipitating
we must not have been precipitating
you must not have been precipitating
they must not have been precipitating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I precipitate?
must you precipitate?
must he precipitate?
must we precipitate?
must you precipitate?
must they precipitate? 	must I be precipitating?
must you be precipitating?
must he be precipitating?
must we be precipitating?
must you be precipitating?
must they be precipitating? 	must I have precipitated?
must you have precipitated?
must he have precipitated?
must we have precipitated?
must you have precipitated?
must they have precipitated? 	must I have been precipitating?
must you have been precipitating?
must he have been precipitating?
must we have been precipitating?
must you have been precipitating?
must they have been precipitating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not precipitate?
must you not precipitate?
must he not precipitate?
must we not precipitate?
must you not precipitate?
must they not precipitate? 	must I not be precipitating?
must you not be precipitating?
must he not be precipitating?
must we not be precipitating?
must you not be precipitating?
must they not be precipitating? 	must I not have precipitated?
must you not have precipitated?
must he not have precipitated?
must we not have precipitated?
must you not have precipitated?
must they not have precipitated? 	must I not have been precipitating?
must you not have been precipitating?
must he not have been precipitating?
must we not have been precipitating?
must you not have been precipitating?
must they not have been precipitating?