no sooner引導什麼從句?

No sooner had I sat down than there was a loud knock on the door.

我剛坐下就有人大聲敲門。

He had no sooner got his wings than the Korean conflict broke out.

他剛獲得飛行資格，朝鮮戰爭就爆發了。

No sooner had he arrived in Rome than he was kidnapped.

他剛到羅馬就遭到了綁架。

No sooner said than done.

一說就做到了。

No sooner were the pieces of charcoal rubbed against the glass rod than electricity appeared on the rod.

木炭塊同玻璃一摩擦，棒上就帶電。