on+动词:On arriving in Beijing,I will visit you.
as soon as +时间状从:I will visit you as soon as I arrive in Beijing.
hardl when:I will hardly visit you when I arrive in Beijing.
Hardly will I visit you when I arrive in Beijing.
no sooner than:I will no sooner visit you than I arrive in Beijing.
No sooner will I visit you than I arrive in Beijing.
(不过,我记得将来时一般不用no sooner than 这个句型的,既然你要求了,我就写了.)