must expand
Verbe régulier : expand - expanded- expanded
Traduction française : agrandir - s'agrandir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must expand
you must expand
he must expand
we must expand
you must expand
they must expand 	I must be expanding
you must be expanding
he must be expanding
we must be expanding
you must be expanding
they must be expanding	I must have expanded
you must have expanded
he must have expanded
we must have expanded
you must have expanded
they must have expanded	I must have been expanding
you must have been expanding
he must have been expanding
we must have been expanding
you must have been expanding
they must have been expanding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't expand
you mustn't expand
he mustn't expand
we mustn't expand
you mustn't expand
they mustn't expand 	I mustn't be expanding
you mustn't be expanding
he mustn't be expanding
we mustn't be expanding
you mustn't be expanding
they mustn't be expanding	I mustn't have expanded
you mustn't have expanded
he mustn't have expanded
we mustn't have expanded
you mustn't have expanded
they mustn't have expanded	I mustn't have been expanding
you mustn't have been expanding
he mustn't have been expanding
we mustn't have been expanding
you mustn't have been expanding
they mustn't have been expanding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I expand?
must you expand?
must he expand?
must we expand?
must you expand?
must they expand? 	must I be expanding?
must you be expanding?
must he be expanding?
must we be expanding?
must you be expanding?
must they be expanding? 	must I have expanded?
must you have expanded?
must he have expanded?
must we have expanded?
must you have expanded?
must they have expanded? 	must I have been expanding?
must you have been expanding?
must he have been expanding?
must we have been expanding?
must you have been expanding?
must they have been expanding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I expand?
mustn't you expand?
mustn't he expand?
mustn't we expand?
mustn't you expand?
mustn't they expand? 	mustn't I be expanding?
mustn't you be expanding?
mustn't he be expanding?
mustn't we be expanding?
mustn't you be expanding?
mustn't they be expanding? 	mustn't I have expanded?
mustn't you have expanded?
mustn't he have expanded?
mustn't we have expanded?
mustn't you have expanded?
mustn't they have expanded? 	mustn't I have been expanding?
mustn't you have been expanding?
mustn't he have been expanding?
mustn't we have been expanding?
mustn't you have been expanding?
mustn't they have been expanding?