1. 主语的单复数决定谓语动词形式的单复数，即S单，V单；S复，V复。
A student is waiting for you in your office.
Two students are waiting for you in your office.
2. A +with, together with, along with, as well as, except, but, besides, including, rather than, like, in addition to +B 作主语时，由A决定谓语。
The house, including the garden and the garage, was sold.
Sunshine, as well as water, is needed to make plants grow.
