Words for concluding and summarizing: in conclusion, to sum up
Summarizing linker + comma + main clause
In conclusion, the plan is not feasible.
Rarely used in questions
💡 Usually at the start of a sentence or paragraph. Followed by a comma. Signal that you're wrapping up.
✓In conclusion, climate change requires immediate action.
✗In the conclusion, climate change requires immediate action.
'In conclusion' (no 'the') is the correct phrase.
✓To sum up, the benefits outweigh the costs.
✗To sum up the benefits outweigh the costs.
Use comma after summarizing linker.
✓Overall, I enjoyed the course.
✗Over all, I enjoyed the course.
'Overall' is one word when used as an adverb.