Connectives are used to make links between and within sentences, and they help writing to flow.
In the following sentences, one event depends on another. They contain a qualifying connective. Qualifying connectives help to explain why something may change because of something else.
We will have a barbeque provided it doesn't rain.
If you work hard we will go out to play early.
All the connectives in the list are conjunctions, which means that they are used to join two clauses within the same sentence.
provided
as long as
if
unless