English verb conjugation
CAN EXPURGATE

Regular verb: expurgate - expurgated - expurgated

Affirmation

Simple form	V-ing form
I can expurgate you can expurgate he can expurgate we can expurgate you can expurgate they can expurgate	I can be expurgating you can be expurgating he can be expurgating we can be expurgating you can be expurgating they can be expurgating
Perfect	V-ing perfect
I can have expurgated you can have expurgated he can have expurgated we can have expurgated you can have expurgated they can have expurgated	I can have been expurgating you can have been expurgating he can have been expurgating we can have been expurgating you can have been expurgating they can have been expurgating

Negation

Simple form	V-ing form
I can't expurgate you can't expurgate he can't expurgate we can't expurgate you can't expurgate they can't expurgate	I can't be expurgating you can't be expurgating he can't be expurgating we can't be expurgating you can't be expurgating they can't be expurgating
Perfect	V-ing perfect
I can't have expurgated you can't have expurgated he can't have expurgated we can't have expurgated you can't have expurgated they can't have expurgated	I can't have been expurgating you can't have been expurgating he can't have been expurgating we can't have been expurgating you can't have been expurgating they can't have been expurgating

Interrogative form

Simple form	V-ing form
can I expurgate? can you expurgate? can he expurgate? can we expurgate? can you expurgate? can they expurgate?	can I be expurgating? can you be expurgating? can he be expurgating? can we be expurgating? can you be expurgating? can they be expurgating?
Perfect	V-ing perfect
can I have expurgated? can you have expurgated? can he have expurgated? can we have expurgated? can you have expurgated? can they have expurgated?	can I have been expurgating? can you have been expurgating? can he have been expurgating? can we have been expurgating? can you have been expurgating? can they have been expurgating?

Interro-negative form

Simple form	V-ing form
can't I expurgate? can't you expurgate? can't he expurgate? can't we expurgate? can't you expurgate? can't they expurgate?	can't I be expurgating? can't you be expurgating? can't he be expurgating? can't we be expurgating? can't you be expurgating? can't they be expurgating?
Perfect	V-ing perfect
can't I have expurgated? can't you have expurgated? can't he have expurgated? can't we have expurgated? can't you have expurgated? can't they have expurgated?	can't I have been expurgating? can't you have been expurgating? can't he have been expurgating? can't we have been expurgating? can't you have been expurgating? can't they have been expurgating?