Hardly had we arrived than the problems started.
Scarcely had the game started when it began to rain.
Hardly/Scarcely had we sat down at the table, when the phone rang.
Only then did she realize the stress he was under.
Only then should you set your goals ．
只有这样你才能设定你的目标。高考真题- 2019 全国
Only then did I learn the unpalatable truth.
Only later did she discover a talent for writing.
Only later did she realize her mistake.
Only recently has something been done to deal with the environmental problems.
Only after a year did I begin to see the results of my work.
Only recently have scientists begun to realize the dangers,caffeine might bring to our health.
Only in this way can the critical mass of participation be reached.
Only in this way can the experiment succeed.
Only now can I begin to apprehend the power of these forces.
Only now have doctors, and allied medical professionals, come to appreciate this.
Only now does he see the good of taking exercise.
注意：当 hardly，scarcely 或 barely 置于 any 及其组合词如 anyone，anything，anybody 或名词短语等前面且置于句首时，句子不用倒装结构，例如：
Hardly anyone passed the exam.
Hardly anyone has bothered to reply.