must grouse
Verbe régulier : grouse - groused- groused
Traduction française : rouspéter - râler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must grouse
you must grouse
she must grouse
we must grouse
you must grouse
they must grouse 	I must be grousing
you must be grousing
she must be grousing
we must be grousing
you must be grousing
they must be grousing	I must have groused
you must have groused
she must have groused
we must have groused
you must have groused
they must have groused	I must have been grousing
you must have been grousing
she must have been grousing
we must have been grousing
you must have been grousing
they must have been grousing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't grouse
you mustn't grouse
she mustn't grouse
we mustn't grouse
you mustn't grouse
they mustn't grouse 	I mustn't be grousing
you mustn't be grousing
she mustn't be grousing
we mustn't be grousing
you mustn't be grousing
they mustn't be grousing	I mustn't have groused
you mustn't have groused
she mustn't have groused
we mustn't have groused
you mustn't have groused
they mustn't have groused	I mustn't have been grousing
you mustn't have been grousing
she mustn't have been grousing
we mustn't have been grousing
you mustn't have been grousing
they mustn't have been grousing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I grouse?
must you grouse?
must she grouse?
must we grouse?
must you grouse?
must they grouse? 	must I be grousing?
must you be grousing?
must she be grousing?
must we be grousing?
must you be grousing?
must they be grousing? 	must I have groused?
must you have groused?
must she have groused?
must we have groused?
must you have groused?
must they have groused? 	must I have been grousing?
must you have been grousing?
must she have been grousing?
must we have been grousing?
must you have been grousing?
must they have been grousing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I grouse?
mustn't you grouse?
mustn't she grouse?
mustn't we grouse?
mustn't you grouse?
mustn't they grouse? 	mustn't I be grousing?
mustn't you be grousing?
mustn't she be grousing?
mustn't we be grousing?
mustn't you be grousing?
mustn't they be grousing? 	mustn't I have groused?
mustn't you have groused?
mustn't she have groused?
mustn't we have groused?
mustn't you have groused?
mustn't they have groused? 	mustn't I have been grousing?
mustn't you have been grousing?
mustn't she have been grousing?
mustn't we have been grousing?
mustn't you have been grousing?
mustn't they have been grousing?