Tìm lỗi sai trong câu sau You can save the electricity by turn off the lights when not using them

You can save the electricity by turn off the lights when not using them

Or

You can save electricity by turning off the lights when not in use

I want brainliest plz

answer: this is not a good thesis statement because a thesis statement is not supposed to have questions in it. a thesis states your position on your topic. a question cannot state anything because it is not a statement. a question is a great lead in to a thesis, but it can't be the thesis.