1. correct structure
1.1. introduction
1.1.1. restate the topic
1.1.1.1. write in general about the topic without saying your opinion.
1.2. main body
1.2.1. key points for-key points against
1.2.1.1. give a balanced argument, presenting the equal number of pros and cons.
1.2.1.1.1. to list the points; firstly, secondly, thirdly, finally, first of all, to start with.
1.3. to introduce ideas/points; - one of the main arguments/disadvantages/advantages in favour of is; one point of view against of is;
1.3.1. to contrast ideas; on the other hand, however, whereas, while, another point is...
1.3.2. to add points; furthermore, what is more,also, in addition to,besides, not to mention the fact that
1.3.2.1. to give examples; for example, for instance, like, such as ...
1.4. conclusion
1.4.1. make your overall opinion clear in the conclusion
1.4.1.1. close your essay, presenting clearly your opinion.
1.4.1.1.1. to sum up, all in all, in my opinion, in my book,as far as I am concerned, in conclusion, we can draw the conclusion