English verb conjugation
MUST DEFRAGMENT

Regular verb: defragment - defragmented - defragmented

Affirmation

Simple form	V-ing form
I must defragment you must defragment he must defragment we must defragment you must defragment they must defragment	I must be defragmenting you must be defragmenting he must be defragmenting we must be defragmenting you must be defragmenting they must be defragmenting
Perfect	V-ing perfect
I must have defragmented you must have defragmented he must have defragmented we must have defragmented you must have defragmented they must have defragmented	I must have been defragmenting you must have been defragmenting he must have been defragmenting we must have been defragmenting you must have been defragmenting they must have been defragmenting

Negation

Simple form	V-ing form
I mustn't defragment you mustn't defragment he mustn't defragment we mustn't defragment you mustn't defragment they mustn't defragment	I mustn't be defragmenting you mustn't be defragmenting he mustn't be defragmenting we mustn't be defragmenting you mustn't be defragmenting they mustn't be defragmenting
Perfect	V-ing perfect
I mustn't have defragmented you mustn't have defragmented he mustn't have defragmented we mustn't have defragmented you mustn't have defragmented they mustn't have defragmented	I mustn't have been defragmenting you mustn't have been defragmenting he mustn't have been defragmenting we mustn't have been defragmenting you mustn't have been defragmenting they mustn't have been defragmenting

Interrogative form

Simple form	V-ing form
must I defragment? must you defragment? must he defragment? must we defragment? must you defragment? must they defragment?	must I be defragmenting? must you be defragmenting? must he be defragmenting? must we be defragmenting? must you be defragmenting? must they be defragmenting?
Perfect	V-ing perfect
must I have defragmented? must you have defragmented? must he have defragmented? must we have defragmented? must you have defragmented? must they have defragmented?	must I have been defragmenting? must you have been defragmenting? must he have been defragmenting? must we have been defragmenting? must you have been defragmenting? must they have been defragmenting?

Interro-negative form

Simple form	V-ing form
mustn't I defragment? mustn't you defragment? mustn't he defragment? mustn't we defragment? mustn't you defragment? mustn't they defragment?	mustn't I be defragmenting? mustn't you be defragmenting? mustn't he be defragmenting? mustn't we be defragmenting? mustn't you be defragmenting? mustn't they be defragmenting?
Perfect	V-ing perfect
mustn't I have defragmented? mustn't you have defragmented? mustn't he have defragmented? mustn't we have defragmented? mustn't you have defragmented? mustn't they have defragmented?	mustn't I have been defragmenting? mustn't you have been defragmenting? mustn't he have been defragmenting? mustn't we have been defragmenting? mustn't you have been defragmenting? mustn't they have been defragmenting?