Conjugación del verbo inglés
MUST STRUM

Verbo regular: strum - strummed - strummed

Afirmación

Forma simple	Forma con V-ing
I must strum you must strum he must strum we must strum you must strum they must strum	I must be strumming you must be strumming he must be strumming we must be strumming you must be strumming they must be strumming
Perfecto	Perfecto con V-ing
I must have strummed you must have strummed he must have strummed we must have strummed you must have strummed they must have strummed	I must have been strumming you must have been strumming he must have been strumming we must have been strumming you must have been strumming they must have been strumming

Negación

Forma simple	Forma con V-ing
I mustn't strum you mustn't strum he mustn't strum we mustn't strum you mustn't strum they mustn't strum	I mustn't be strumming you mustn't be strumming he mustn't be strumming we mustn't be strumming you mustn't be strumming they mustn't be strumming
Perfecto	Perfecto con V-ing
I mustn't have strummed you mustn't have strummed he mustn't have strummed we mustn't have strummed you mustn't have strummed they mustn't have strummed	I mustn't have been strumming you mustn't have been strumming he mustn't have been strumming we mustn't have been strumming you mustn't have been strumming they mustn't have been strumming

Forma interrogativa

Forma simple	Forma con V-ing
must I strum? must you strum? must he strum? must we strum? must you strum? must they strum?	must I be strumming? must you be strumming? must he be strumming? must we be strumming? must you be strumming? must they be strumming?
Perfecto	Perfecto con V-ing
must I have strummed? must you have strummed? must he have strummed? must we have strummed? must you have strummed? must they have strummed?	must I have been strumming? must you have been strumming? must he have been strumming? must we have been strumming? must you have been strumming? must they have been strumming?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I strum? mustn't you strum? mustn't he strum? mustn't we strum? mustn't you strum? mustn't they strum?	mustn't I be strumming? mustn't you be strumming? mustn't he be strumming? mustn't we be strumming? mustn't you be strumming? mustn't they be strumming?
Perfecto	Perfecto con V-ing
mustn't I have strummed? mustn't you have strummed? mustn't he have strummed? mustn't we have strummed? mustn't you have strummed? mustn't they have strummed?	mustn't I have been strumming? mustn't you have been strumming? mustn't he have been strumming? mustn't we have been strumming? mustn't you have been strumming? mustn't they have been strumming?