Unless, Providing, Provided That, And As Long As

Unless, Providing, Provided That, And As Long As Exercises

The expressions providing, provided that and as long as have very similar meanings and are usually interchangeable. They are used before saying the conditions that make something else happen or be true. Unless is similar to if not.

No Need for That. The word that can be omitted.

Grammar explanation              En español

Ex 1       Ex 2