English verb conjugation
CAN TONGUE

Regular verb: tongue - tongued - tongued

Affirmation

Simple form	V-ing form
I can tongue you can tongue he can tongue we can tongue you can tongue they can tongue	I can be tonguing you can be tonguing he can be tonguing we can be tonguing you can be tonguing they can be tonguing
Perfect	V-ing perfect
I can have tongued you can have tongued he can have tongued we can have tongued you can have tongued they can have tongued	I can have been tonguing you can have been tonguing he can have been tonguing we can have been tonguing you can have been tonguing they can have been tonguing

Negation

Simple form	V-ing form
I cannot tongue you cannot tongue he cannot tongue we cannot tongue you cannot tongue they cannot tongue	I cannot be tonguing you cannot be tonguing he cannot be tonguing we cannot be tonguing you cannot be tonguing they cannot be tonguing
Perfect	V-ing perfect
I cannot have tongued you cannot have tongued he cannot have tongued we cannot have tongued you cannot have tongued they cannot have tongued	I cannot have been tonguing you cannot have been tonguing he cannot have been tonguing we cannot have been tonguing you cannot have been tonguing they cannot have been tonguing

Interrogative form

Simple form	V-ing form
can I tongue? can you tongue? can he tongue? can we tongue? can you tongue? can they tongue?	can I be tonguing? can you be tonguing? can he be tonguing? can we be tonguing? can you be tonguing? can they be tonguing?
Perfect	V-ing perfect
can I have tongued? can you have tongued? can he have tongued? can we have tongued? can you have tongued? can they have tongued?	can I have been tonguing? can you have been tonguing? can he have been tonguing? can we have been tonguing? can you have been tonguing? can they have been tonguing?

Interro-negative form

Simple form	V-ing form
can I not tongue? can you not tongue? can he not tongue? can we not tongue? can you not tongue? can they not tongue?	can I not be tonguing? can you not be tonguing? can he not be tonguing? can we not be tonguing? can you not be tonguing? can they not be tonguing?
Perfect	V-ing perfect
can I not have tongued? can you not have tongued? can he not have tongued? can we not have tongued? can you not have tongued? can they not have tongued?	can I not have been tonguing? can you not have been tonguing? can he not have been tonguing? can we not have been tonguing? can you not have been tonguing? can they not have been tonguing?