Think of non‐ essential relative clauses as adjectives describing the noun; you can remove adjectives without changing the meaning of the sentence. A relative clause can be introduced by either a ...

Examples are: never ... In this case, ‘Not until I saw what happened’ is the adverbial clause. The inversion takes place after this, in the main clause. This happens with 'Not +time' and ...

A predicate adjective will always connect with a linking verb to add further conditions to a clause. Common predicate adjectives include any form of "be," such as is, was and were. Other examples ...