English verb conjugation
CAN FINE-TUNE

Regular verb: fine-tune - fine-tuned - fine-tuned

Affirmation

Simple form	V-ing form
I can fine-tune you can fine-tune he can fine-tune we can fine-tune you can fine-tune they can fine-tune	I can be fine-tuning you can be fine-tuning he can be fine-tuning we can be fine-tuning you can be fine-tuning they can be fine-tuning
Perfect	V-ing perfect
I can have fine-tuned you can have fine-tuned he can have fine-tuned we can have fine-tuned you can have fine-tuned they can have fine-tuned	I can have been fine-tuning you can have been fine-tuning he can have been fine-tuning we can have been fine-tuning you can have been fine-tuning they can have been fine-tuning

Negation

Simple form	V-ing form
I cannot fine-tune you cannot fine-tune he cannot fine-tune we cannot fine-tune you cannot fine-tune they cannot fine-tune	I cannot be fine-tuning you cannot be fine-tuning he cannot be fine-tuning we cannot be fine-tuning you cannot be fine-tuning they cannot be fine-tuning
Perfect	V-ing perfect
I cannot have fine-tuned you cannot have fine-tuned he cannot have fine-tuned we cannot have fine-tuned you cannot have fine-tuned they cannot have fine-tuned	I cannot have been fine-tuning you cannot have been fine-tuning he cannot have been fine-tuning we cannot have been fine-tuning you cannot have been fine-tuning they cannot have been fine-tuning

Interrogative form

Simple form	V-ing form
can I fine-tune? can you fine-tune? can he fine-tune? can we fine-tune? can you fine-tune? can they fine-tune?	can I be fine-tuning? can you be fine-tuning? can he be fine-tuning? can we be fine-tuning? can you be fine-tuning? can they be fine-tuning?
Perfect	V-ing perfect
can I have fine-tuned? can you have fine-tuned? can he have fine-tuned? can we have fine-tuned? can you have fine-tuned? can they have fine-tuned?	can I have been fine-tuning? can you have been fine-tuning? can he have been fine-tuning? can we have been fine-tuning? can you have been fine-tuning? can they have been fine-tuning?

Interro-negative form

Simple form	V-ing form
can I not fine-tune? can you not fine-tune? can he not fine-tune? can we not fine-tune? can you not fine-tune? can they not fine-tune?	can I not be fine-tuning? can you not be fine-tuning? can he not be fine-tuning? can we not be fine-tuning? can you not be fine-tuning? can they not be fine-tuning?
Perfect	V-ing perfect
can I not have fine-tuned? can you not have fine-tuned? can he not have fine-tuned? can we not have fine-tuned? can you not have fine-tuned? can they not have fine-tuned?	can I not have been fine-tuning? can you not have been fine-tuning? can he not have been fine-tuning? can we not have been fine-tuning? can you not have been fine-tuning? can they not have been fine-tuning?