Conjugación del verbo inglés
MUST CAUSE

Verbo regular: cause - caused - caused

Afirmación

Forma simple	Forma con V-ing
I must cause you must cause she must cause we must cause you must cause they must cause	I must be causing you must be causing she must be causing we must be causing you must be causing they must be causing
Perfecto	Perfecto con V-ing
I must have caused you must have caused she must have caused we must have caused you must have caused they must have caused	I must have been causing you must have been causing she must have been causing we must have been causing you must have been causing they must have been causing

Negación

Forma simple	Forma con V-ing
I must not cause you must not cause she must not cause we must not cause you must not cause they must not cause	I must not be causing you must not be causing she must not be causing we must not be causing you must not be causing they must not be causing
Perfecto	Perfecto con V-ing
I must not have caused you must not have caused she must not have caused we must not have caused you must not have caused they must not have caused	I must not have been causing you must not have been causing she must not have been causing we must not have been causing you must not have been causing they must not have been causing

Forma interrogativa

Forma simple	Forma con V-ing
must I cause? must you cause? must she cause? must we cause? must you cause? must they cause?	must I be causing? must you be causing? must she be causing? must we be causing? must you be causing? must they be causing?
Perfecto	Perfecto con V-ing
must I have caused? must you have caused? must she have caused? must we have caused? must you have caused? must they have caused?	must I have been causing? must you have been causing? must she have been causing? must we have been causing? must you have been causing? must they have been causing?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not cause? must you not cause? must she not cause? must we not cause? must you not cause? must they not cause?	must I not be causing? must you not be causing? must she not be causing? must we not be causing? must you not be causing? must they not be causing?
Perfecto	Perfecto con V-ing
must I not have caused? must you not have caused? must she not have caused? must we not have caused? must you not have caused? must they not have caused?	must I not have been causing? must you not have been causing? must she not have been causing? must we not have been causing? must you not have been causing? must they not have been causing?