Conjugação do verbo inglês
MUST CAUSE

Verbo regular: cause - caused - caused

Afirmação

Forma simple	Forma com 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
Perfeito	Perfeito com 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

Negação

Forma simple	Forma com V-ing
I mustn't cause you mustn't cause she mustn't cause we mustn't cause you mustn't cause they mustn't cause	I mustn't be causing you mustn't be causing she mustn't be causing we mustn't be causing you mustn't be causing they mustn't be causing
Perfeito	Perfeito com V-ing
I mustn't have caused you mustn't have caused she mustn't have caused we mustn't have caused you mustn't have caused they mustn't have caused	I mustn't have been causing you mustn't have been causing she mustn't have been causing we mustn't have been causing you mustn't have been causing they mustn't have been causing

Forma interrogativa

Forma simple	Forma com 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?
Perfeito	Perfeito com 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-Negação

Forma simple	Forma com V-ing
mustn't I cause? mustn't you cause? mustn't she cause? mustn't we cause? mustn't you cause? mustn't they cause?	mustn't I be causing? mustn't you be causing? mustn't she be causing? mustn't we be causing? mustn't you be causing? mustn't they be causing?
Perfeito	Perfeito com V-ing
mustn't I have caused? mustn't you have caused? mustn't she have caused? mustn't we have caused? mustn't you have caused? mustn't they have caused?	mustn't I have been causing? mustn't you have been causing? mustn't she have been causing? mustn't we have been causing? mustn't you have been causing? mustn't they have been causing?