While trying to build a tunnel through the Blue Ridge Mountains, ...
coal was discovered by workmen at the construction site
workmen discovered coal at the construction site
the construction site was where coal was discovered by workmen
it was the construction site where workmen discovered coal
Appositive
Sudah memiliki appositive phrase, maka butuh pola S + P.
Bandingkan pilihanmu dengan sobat pembelajar yang lain.