We use cleft sentences to make connections between known and new information. The information is divided into two clauses, so the focus can be on the new information.
Cleft sentences with it
The new information comes after it. The known information is in the clause after that. When talking about people, we can use who. When talking about times, we can use when.
It’s older people who volunteer most.
Cleft sentences with wh- words
These sentences can use what, where, why, that, etc, or they can start with phrases such as The reason why…..The new information can come in the first or second clause.
What is needed is people from the communities themselves.
|Volunteer work||is these groups that||is at the heart of all communities|
|It||is the thing that||keep communities going.|
|The reason why|
|is because||can really help.|
|It||isn’t the |
|they want to give something back|