Scarcely had he come ________ it started raining.

No sooner had - than , scarcely had – when , hardly had – before এর প্রথম অংশ Past Perfect and Verb এর Past Participle হয় এবং ২য় অংশে Past Indefinite হয়। যেমনঃNo sooner had we reached the station than the train left,Hardly had the train stopped before we got down,Scarcely had we started when it began to rain.