Tag: it is… that
Cleft sentence ( It was yesterday that…)
The construction It is... that is known as a cleft sentence, and it is often used to emphasize a specific part of a sentence. Cleft sentences are typically formed by splitting a sentence into two parts: the clause before it is and the clause after that. Here's the basic structure of a cleft sentence: It is [clause before it is] that [clause after that].