English verb conjugation
MUST SKIVE

Regular verb: skive - skived - skived

Affirmation

Simple form	V-ing form
I must skive you must skive he must skive we must skive you must skive they must skive	I must be skiving you must be skiving he must be skiving we must be skiving you must be skiving they must be skiving
Perfect	V-ing perfect
I must have skived you must have skived he must have skived we must have skived you must have skived they must have skived	I must have been skiving you must have been skiving he must have been skiving we must have been skiving you must have been skiving they must have been skiving

Negation

Simple form	V-ing form
I mustn't skive you mustn't skive he mustn't skive we mustn't skive you mustn't skive they mustn't skive	I mustn't be skiving you mustn't be skiving he mustn't be skiving we mustn't be skiving you mustn't be skiving they mustn't be skiving
Perfect	V-ing perfect
I mustn't have skived you mustn't have skived he mustn't have skived we mustn't have skived you mustn't have skived they mustn't have skived	I mustn't have been skiving you mustn't have been skiving he mustn't have been skiving we mustn't have been skiving you mustn't have been skiving they mustn't have been skiving

Interrogative form

Simple form	V-ing form
must I skive? must you skive? must he skive? must we skive? must you skive? must they skive?	must I be skiving? must you be skiving? must he be skiving? must we be skiving? must you be skiving? must they be skiving?
Perfect	V-ing perfect
must I have skived? must you have skived? must he have skived? must we have skived? must you have skived? must they have skived?	must I have been skiving? must you have been skiving? must he have been skiving? must we have been skiving? must you have been skiving? must they have been skiving?

Interro-negative form

Simple form	V-ing form
mustn't I skive? mustn't you skive? mustn't he skive? mustn't we skive? mustn't you skive? mustn't they skive?	mustn't I be skiving? mustn't you be skiving? mustn't he be skiving? mustn't we be skiving? mustn't you be skiving? mustn't they be skiving?
Perfect	V-ing perfect
mustn't I have skived? mustn't you have skived? mustn't he have skived? mustn't we have skived? mustn't you have skived? mustn't they have skived?	mustn't I have been skiving? mustn't you have been skiving? mustn't he have been skiving? mustn't we have been skiving? mustn't you have been skiving? mustn't they have been skiving?