DIRECTION: Read the sentence to find out whether there is any grammatical mistake/error in it. The error, if any, will be in one part of the sentence. Mark that part as your answer. If the sentence is correct, mark (4) (no error) as your answer. (Ignore the errors of punctuation, if any).

By the next Halloween we will have (1) / been here (2) / for ten years. (3) / No error(4)