We use this kind of relative clause to give extra information about the person or thing. It is not necessary information. We don’t need it to understand who or what is being referred to.

What kind of relative clause is included in the following sentence? They’re the people who want to buy our house.

They (leave) the classroom by the end of the hour. (Future perfect)

If I hadn't overslept, I ______ on time. A) will have been B) would have been C) will be

By the time the bell rings, the teacher __ (give / future perfect) the project’s instructions.

Asking her to be my girlfriend was a __ or break situation.

You will catch the train if you __ earlier a. left b. leaves c. leave d. would leave

If the road hadn't been icy, we ______ an accident. A) won't have B) wouldn't have had C) didn't have

What kind of relative clause is included in the following sentence? Alice, who has worked in Brussels and London ever since leaving Edinburgh, will be starting a teaching course in the autumn.

What kind of relative clause is included in the following sentence? Clare, who I work with, is doing the London marathon this year.

We use this kind of relative clauses to give essential information about someone or something – information that we need in order to understand what or who is being referred to.

They say that women are smarter than men. Women ________________ to be smarter than men. A) were being said B) were said C) are said