*not only~but also, neither~nor, not~but으로 연결되는 주어구는 동사에 가까운 명사에 수를 일치.
Neither my sister nor neighbors are looking after the baby.
*[ S+enable+O+to+V ] ~persuade, encourage, advise
Good public transports encourage people for leaving their cars at home.
His suit so new that there were creases in the trousers.
She works with such enthusiasm that she is sure to succeed.
Either the school or the parents should determine the program by weekend.