Conjugación del verbo inglés
MUST GRAB

Verbo regular: grab - grabbed - grabbed

Afirmación

Forma simple	Forma con V-ing
I must grab you must grab he must grab we must grab you must grab they must grab	I must be grabbing you must be grabbing he must be grabbing we must be grabbing you must be grabbing they must be grabbing
Perfecto	Perfecto con V-ing
I must have grabbed you must have grabbed he must have grabbed we must have grabbed you must have grabbed they must have grabbed	I must have been grabbing you must have been grabbing he must have been grabbing we must have been grabbing you must have been grabbing they must have been grabbing

Negación

Forma simple	Forma con V-ing
I mustn't grab you mustn't grab he mustn't grab we mustn't grab you mustn't grab they mustn't grab	I mustn't be grabbing you mustn't be grabbing he mustn't be grabbing we mustn't be grabbing you mustn't be grabbing they mustn't be grabbing
Perfecto	Perfecto con V-ing
I mustn't have grabbed you mustn't have grabbed he mustn't have grabbed we mustn't have grabbed you mustn't have grabbed they mustn't have grabbed	I mustn't have been grabbing you mustn't have been grabbing he mustn't have been grabbing we mustn't have been grabbing you mustn't have been grabbing they mustn't have been grabbing

Forma interrogativa

Forma simple	Forma con V-ing
must I grab? must you grab? must he grab? must we grab? must you grab? must they grab?	must I be grabbing? must you be grabbing? must he be grabbing? must we be grabbing? must you be grabbing? must they be grabbing?
Perfecto	Perfecto con V-ing
must I have grabbed? must you have grabbed? must he have grabbed? must we have grabbed? must you have grabbed? must they have grabbed?	must I have been grabbing? must you have been grabbing? must he have been grabbing? must we have been grabbing? must you have been grabbing? must they have been grabbing?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I grab? mustn't you grab? mustn't he grab? mustn't we grab? mustn't you grab? mustn't they grab?	mustn't I be grabbing? mustn't you be grabbing? mustn't he be grabbing? mustn't we be grabbing? mustn't you be grabbing? mustn't they be grabbing?
Perfecto	Perfecto con V-ing
mustn't I have grabbed? mustn't you have grabbed? mustn't he have grabbed? mustn't we have grabbed? mustn't you have grabbed? mustn't they have grabbed?	mustn't I have been grabbing? mustn't you have been grabbing? mustn't he have been grabbing? mustn't we have been grabbing? mustn't you have been grabbing? mustn't they have been grabbing?