No sooner had he sat down than the phone rang هنوز ننشسته بود که تلفن زنگ زد No sooner had we arrived at the beach than it started to rain هنوز به کنار دریا نرسیده بودیم که بارون شروع شد .
No sooner had the paint dried at one end than it needed repainting. جمله بالا inversion هست. معمولا no sooner . . . than به این حالت استفاده میشه.
هنوز. . . . . . که. . . . . ( مثلا: هنوز ننشسته بودم که او آمد. )