Based on the context of advanced English workbooks, the specific line you are referencing appears to be from a key for an exercise involving or grammar review .
While "ENSE" may be a typo for "EF" (English File) or "NEF" (New English File), the answer for (item 7) in the Advanced Workbook Key often corresponds to: Common Answers for Item 7
Advanced Workbook Answer Key | PDF | Paraguay | Curiosity - Scribd
If you can provide the or the exercise title (e.g., "Grammar: Conditionals" or "Vocabulary: Idioms"), I can pinpoint the exact answer you need.