Hi,

Can someone kindly suggest me which usage of not only but also is correct-

1. By the time he was thirteen, Mozart had not only composed sonatas, but he had also performed before royalty.

2. By the time he was thirteen, Mozart had not only composed sonatas, but also performed before royalty.

3.By the time he was thirteen, Mozart not only had composed sonatas, but also had performed before royalty.



Regards,
Veenu