English verb conjugation
CAN LOG

Regular verb: log - logged - logged

Affirmation

Simple form	V-ing form
I can log you can log she can log we can log you can log they can log	I can be logging you can be logging she 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 she 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 she 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 cannot log you cannot log she cannot log we cannot log you cannot log they cannot log	I cannot be logging you cannot be logging she cannot be logging we cannot be logging you cannot be logging they cannot be logging
Perfect	V-ing perfect
I cannot have logged you cannot have logged she cannot have logged we cannot have logged you cannot have logged they cannot have logged	I cannot have been logging you cannot have been logging she cannot have been logging we cannot have been logging you cannot have been logging they cannot have been logging

Interrogative form

Simple form	V-ing form
can I log? can you log? can she log? can we log? can you log? can they log?	can I be logging? can you be logging? can she 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 she 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 she 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 I not log? can you not log? can she not log? can we not log? can you not log? can they not log?	can I not be logging? can you not be logging? can she not be logging? can we not be logging? can you not be logging? can they not be logging?
Perfect	V-ing perfect
can I not have logged? can you not have logged? can she not have logged? can we not have logged? can you not have logged? can they not have logged?	can I not have been logging? can you not have been logging? can she not have been logging? can we not have been logging? can you not have been logging? can they not have been logging?