English verb conjugation
MUST INSHEATHE

Regular verb: insheathe - insheathed - insheathed

Affirmation

Simple form	V-ing form
I must insheathe you must insheathe she must insheathe we must insheathe you must insheathe they must insheathe	I must be insheathing you must be insheathing she must be insheathing we must be insheathing you must be insheathing they must be insheathing
Perfect	V-ing perfect
I must have insheathed you must have insheathed she must have insheathed we must have insheathed you must have insheathed they must have insheathed	I must have been insheathing you must have been insheathing she must have been insheathing we must have been insheathing you must have been insheathing they must have been insheathing

Negation

Simple form	V-ing form
I mustn't insheathe you mustn't insheathe she mustn't insheathe we mustn't insheathe you mustn't insheathe they mustn't insheathe	I mustn't be insheathing you mustn't be insheathing she mustn't be insheathing we mustn't be insheathing you mustn't be insheathing they mustn't be insheathing
Perfect	V-ing perfect
I mustn't have insheathed you mustn't have insheathed she mustn't have insheathed we mustn't have insheathed you mustn't have insheathed they mustn't have insheathed	I mustn't have been insheathing you mustn't have been insheathing she mustn't have been insheathing we mustn't have been insheathing you mustn't have been insheathing they mustn't have been insheathing

Interrogative form

Simple form	V-ing form
must I insheathe? must you insheathe? must she insheathe? must we insheathe? must you insheathe? must they insheathe?	must I be insheathing? must you be insheathing? must she be insheathing? must we be insheathing? must you be insheathing? must they be insheathing?
Perfect	V-ing perfect
must I have insheathed? must you have insheathed? must she have insheathed? must we have insheathed? must you have insheathed? must they have insheathed?	must I have been insheathing? must you have been insheathing? must she have been insheathing? must we have been insheathing? must you have been insheathing? must they have been insheathing?

Interro-negative form

Simple form	V-ing form
mustn't I insheathe? mustn't you insheathe? mustn't she insheathe? mustn't we insheathe? mustn't you insheathe? mustn't they insheathe?	mustn't I be insheathing? mustn't you be insheathing? mustn't she be insheathing? mustn't we be insheathing? mustn't you be insheathing? mustn't they be insheathing?
Perfect	V-ing perfect
mustn't I have insheathed? mustn't you have insheathed? mustn't she have insheathed? mustn't we have insheathed? mustn't you have insheathed? mustn't they have insheathed?	mustn't I have been insheathing? mustn't you have been insheathing? mustn't she have been insheathing? mustn't we have been insheathing? mustn't you have been insheathing? mustn't they have been insheathing?