English verb conjugation
CAN LOG

Regular verb: log - logged - logged

Affirmation

Simple form	V-ing form
I can log you can log he can log we can log you can log they can log	I can be logging you can be logging he can be logging we can be logging you can be logging they can be logging
Perfect	V-ing perfect
I can have logged you can have logged he can have logged we can have logged you can have logged they can have logged	I can have been logging you can have been logging he can have been logging we can have been logging you can have been logging they can have been logging

Negation

Simple form	V-ing form
I can't log you can't log he can't log we can't log you can't log they can't log	I can't be logging you can't be logging he can't be logging we can't be logging you can't be logging they can't be logging
Perfect	V-ing perfect
I can't have logged you can't have logged he can't have logged we can't have logged you can't have logged they can't have logged	I can't have been logging you can't have been logging he can't have been logging we can't have been logging you can't have been logging they can't have been logging

Interrogative form

Simple form	V-ing form
can I log? can you log? can he log? can we log? can you log? can they log?	can I be logging? can you be logging? can he be logging? can we be logging? can you be logging? can they be logging?
Perfect	V-ing perfect
can I have logged? can you have logged? can he have logged? can we have logged? can you have logged? can they have logged?	can I have been logging? can you have been logging? can he have been logging? can we have been logging? can you have been logging? can they have been logging?

Interro-negative form

Simple form	V-ing form
can't I log? can't you log? can't he log? can't we log? can't you log? can't they log?	can't I be logging? can't you be logging? can't he be logging? can't we be logging? can't you be logging? can't they be logging?
Perfect	V-ing perfect
can't I have logged? can't you have logged? can't he have logged? can't we have logged? can't you have logged? can't they have logged?	can't I have been logging? can't you have been logging? can't he have been logging? can't we have been logging? can't you have been logging? can't they have been logging?