I must grieve you must grieve she must grieve we must grieve you must grieve they must grieve
Forma com V-ing
I must be grieving you must be grieving she must be grieving we must be grieving you must be grieving they must be grieving
Perfeito
I must have grieved you must have grieved she must have grieved we must have grieved you must have grieved they must have grieved
Perfeito com V-ing
I must have been grieving you must have been grieving she must have been grieving we must have been grieving you must have been grieving they must have been grieving
Negação
Forma simple
I mustn't grieve you mustn't grieve she mustn't grieve we mustn't grieve you mustn't grieve they mustn't grieve
Forma com V-ing
I mustn't be grieving you mustn't be grieving she mustn't be grieving we mustn't be grieving you mustn't be grieving they mustn't be grieving
Perfeito
I mustn't have grieved you mustn't have grieved she mustn't have grieved we mustn't have grieved you mustn't have grieved they mustn't have grieved
Perfeito com V-ing
I mustn't have been grieving you mustn't have been grieving she mustn't have been grieving we mustn't have been grieving you mustn't have been grieving they mustn't have been grieving
Forma interrogativa
Forma simple
must I grieve? must you grieve? must she grieve? must we grieve? must you grieve? must they grieve?
Forma com V-ing
must I be grieving? must you be grieving? must she be grieving? must we be grieving? must you be grieving? must they be grieving?
Perfeito
must I have grieved? must you have grieved? must she have grieved? must we have grieved? must you have grieved? must they have grieved?
Perfeito com V-ing
must I have been grieving? must you have been grieving? must she have been grieving? must we have been grieving? must you have been grieving? must they have been grieving?
Forma interro-Negação
Forma simple
mustn't I grieve? mustn't you grieve? mustn't she grieve? mustn't we grieve? mustn't you grieve? mustn't they grieve?
Forma com V-ing
mustn't I be grieving? mustn't you be grieving? mustn't she be grieving? mustn't we be grieving? mustn't you be grieving? mustn't they be grieving?
Perfeito
mustn't I have grieved? mustn't you have grieved? mustn't she have grieved? mustn't we have grieved? mustn't you have grieved? mustn't they have grieved?
Perfeito com V-ing
mustn't I have been grieving? mustn't you have been grieving? mustn't she have been grieving? mustn't we have been grieving? mustn't you have been grieving? mustn't they have been grieving?