Conjugación del verbo inglés
MUST WHISTLE

Verbo regular: whistle - whistled - whistled

Afirmación

Forma simple	Forma con V-ing
I must whistle you must whistle he must whistle we must whistle you must whistle they must whistle	I must be whistling you must be whistling he must be whistling we must be whistling you must be whistling they must be whistling
Perfecto	Perfecto con V-ing
I must have whistled you must have whistled he must have whistled we must have whistled you must have whistled they must have whistled	I must have been whistling you must have been whistling he must have been whistling we must have been whistling you must have been whistling they must have been whistling

Negación

Forma simple	Forma con V-ing
I must not whistle you must not whistle he must not whistle we must not whistle you must not whistle they must not whistle	I must not be whistling you must not be whistling he must not be whistling we must not be whistling you must not be whistling they must not be whistling
Perfecto	Perfecto con V-ing
I must not have whistled you must not have whistled he must not have whistled we must not have whistled you must not have whistled they must not have whistled	I must not have been whistling you must not have been whistling he must not have been whistling we must not have been whistling you must not have been whistling they must not have been whistling

Forma interrogativa

Forma simple	Forma con V-ing
must I whistle? must you whistle? must he whistle? must we whistle? must you whistle? must they whistle?	must I be whistling? must you be whistling? must he be whistling? must we be whistling? must you be whistling? must they be whistling?
Perfecto	Perfecto con V-ing
must I have whistled? must you have whistled? must he have whistled? must we have whistled? must you have whistled? must they have whistled?	must I have been whistling? must you have been whistling? must he have been whistling? must we have been whistling? must you have been whistling? must they have been whistling?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not whistle? must you not whistle? must he not whistle? must we not whistle? must you not whistle? must they not whistle?	must I not be whistling? must you not be whistling? must he not be whistling? must we not be whistling? must you not be whistling? must they not be whistling?
Perfecto	Perfecto con V-ing
must I not have whistled? must you not have whistled? must he not have whistled? must we not have whistled? must you not have whistled? must they not have whistled?	must I not have been whistling? must you not have been whistling? must he not have been whistling? must we not have been whistling? must you not have been whistling? must they not have been whistling?