English verb conjugation
MUST TELEGRAPH

Regular verb: telegraph - telegraphed - telegraphed

Affirmation

Simple form	V-ing form
I must telegraph you must telegraph she must telegraph we must telegraph you must telegraph they must telegraph	I must be telegraphing you must be telegraphing she must be telegraphing we must be telegraphing you must be telegraphing they must be telegraphing
Perfect	V-ing perfect
I must have telegraphed you must have telegraphed she must have telegraphed we must have telegraphed you must have telegraphed they must have telegraphed	I must have been telegraphing you must have been telegraphing she must have been telegraphing we must have been telegraphing you must have been telegraphing they must have been telegraphing

Negation

Simple form	V-ing form
I mustn't telegraph you mustn't telegraph she mustn't telegraph we mustn't telegraph you mustn't telegraph they mustn't telegraph	I mustn't be telegraphing you mustn't be telegraphing she mustn't be telegraphing we mustn't be telegraphing you mustn't be telegraphing they mustn't be telegraphing
Perfect	V-ing perfect
I mustn't have telegraphed you mustn't have telegraphed she mustn't have telegraphed we mustn't have telegraphed you mustn't have telegraphed they mustn't have telegraphed	I mustn't have been telegraphing you mustn't have been telegraphing she mustn't have been telegraphing we mustn't have been telegraphing you mustn't have been telegraphing they mustn't have been telegraphing

Interrogative form

Simple form	V-ing form
must I telegraph? must you telegraph? must she telegraph? must we telegraph? must you telegraph? must they telegraph?	must I be telegraphing? must you be telegraphing? must she be telegraphing? must we be telegraphing? must you be telegraphing? must they be telegraphing?
Perfect	V-ing perfect
must I have telegraphed? must you have telegraphed? must she have telegraphed? must we have telegraphed? must you have telegraphed? must they have telegraphed?	must I have been telegraphing? must you have been telegraphing? must she have been telegraphing? must we have been telegraphing? must you have been telegraphing? must they have been telegraphing?

Interro-negative form

Simple form	V-ing form
mustn't I telegraph? mustn't you telegraph? mustn't she telegraph? mustn't we telegraph? mustn't you telegraph? mustn't they telegraph?	mustn't I be telegraphing? mustn't you be telegraphing? mustn't she be telegraphing? mustn't we be telegraphing? mustn't you be telegraphing? mustn't they be telegraphing?
Perfect	V-ing perfect
mustn't I have telegraphed? mustn't you have telegraphed? mustn't she have telegraphed? mustn't we have telegraphed? mustn't you have telegraphed? mustn't they have telegraphed?	mustn't I have been telegraphing? mustn't you have been telegraphing? mustn't she have been telegraphing? mustn't we have been telegraphing? mustn't you have been telegraphing? mustn't they have been telegraphing?