Conjugación del verbo inglés
MUST SEEM

Verbo regular: seem - seemed - seemed

Afirmación

Forma simple	Forma con V-ing
- - it must seem - - -	- - it must be seeming - - -
Perfecto	Perfecto con V-ing
- - it must have seemed - - -	- - it must have been seeming - - -

Negación

Forma simple	Forma con V-ing
- - it mustn't seem - - -	- - it mustn't be seeming - - -
Perfecto	Perfecto con V-ing
- - it mustn't have seemed - - -	- - it mustn't have been seeming - - -

Forma interrogativa

Forma simple	Forma con V-ing
- - must it seem? - - -	- - must it be seeming? - - -
Perfecto	Perfecto con V-ing
- - must it have seemed? - - -	- - must it have been seeming? - - -

Forma interro-negativa

Forma simple	Forma con V-ing
- - mustn't it seem? - - -	- - mustn't it be seeming? - - -
Perfecto	Perfecto con V-ing
- - mustn't it have seemed? - - -	- - mustn't it have been seeming? - - -