USEFUL LANGUAGE: INTRODUCTION: Nowadays , the issue of...is a controversial one, many people say/think/believe... ARGUMENTS FOR: On the one hand, one might argue that, some people think that, moreover, also, because, for this reason, therefore ARGUMENTS AGAINST: On the other hand, one might argue that, on the contrary, however, furthermore, in addition, so, this is why CONCLUSION: In conclusion, to sum up, as we can see, in my opinion, as I see it TO INTRODUCE EXAMPLES : For example, for instance, such as, like, in particular, particularly, especially, this is (clearly) illustrated by, one clear example of this is