Conjugación del verbo inglés
MUST PROOFREAD

Verbo irregular: proofread - proofread - proofread

Afirmación

Forma simple	Forma con V-ing
I must proofread you must proofread she must proofread we must proofread you must proofread they must proofread	I must be proofreading you must be proofreading she must be proofreading we must be proofreading you must be proofreading they must be proofreading
Perfecto	Perfecto con V-ing
I must have proofread you must have proofread she must have proofread we must have proofread you must have proofread they must have proofread	I must have been proofreading you must have been proofreading she must have been proofreading we must have been proofreading you must have been proofreading they must have been proofreading

Negación

Forma simple	Forma con V-ing
I mustn't proofread you mustn't proofread she mustn't proofread we mustn't proofread you mustn't proofread they mustn't proofread	I mustn't be proofreading you mustn't be proofreading she mustn't be proofreading we mustn't be proofreading you mustn't be proofreading they mustn't be proofreading
Perfecto	Perfecto con V-ing
I mustn't have proofread you mustn't have proofread she mustn't have proofread we mustn't have proofread you mustn't have proofread they mustn't have proofread	I mustn't have been proofreading you mustn't have been proofreading she mustn't have been proofreading we mustn't have been proofreading you mustn't have been proofreading they mustn't have been proofreading

Forma interrogativa

Forma simple	Forma con V-ing
must I proofread? must you proofread? must she proofread? must we proofread? must you proofread? must they proofread?	must I be proofreading? must you be proofreading? must she be proofreading? must we be proofreading? must you be proofreading? must they be proofreading?
Perfecto	Perfecto con V-ing
must I have proofread? must you have proofread? must she have proofread? must we have proofread? must you have proofread? must they have proofread?	must I have been proofreading? must you have been proofreading? must she have been proofreading? must we have been proofreading? must you have been proofreading? must they have been proofreading?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I proofread? mustn't you proofread? mustn't she proofread? mustn't we proofread? mustn't you proofread? mustn't they proofread?	mustn't I be proofreading? mustn't you be proofreading? mustn't she be proofreading? mustn't we be proofreading? mustn't you be proofreading? mustn't they be proofreading?
Perfecto	Perfecto con V-ing
mustn't I have proofread? mustn't you have proofread? mustn't she have proofread? mustn't we have proofread? mustn't you have proofread? mustn't they have proofread?	mustn't I have been proofreading? mustn't you have been proofreading? mustn't she have been proofreading? mustn't we have been proofreading? mustn't you have been proofreading? mustn't they have been proofreading?