NOT ONLY... BUT... ALSO... NOT ONLY + AUXILIARY + S + V, BUT.... AL...

6. Not only... but... also...

Not only + auxiliary + S + V, but.... also...

but S+ v/be …….. as well.

………too

Eg. Not only is he good at E but he also draws very well

Not only does he sing well but he also plays musical instruments perfectly

Not only do they rob you, they smash everything too