There are some aspects you should be careful. It seems to be you need to study harder in what contexts to use present perfect continuous. Take a look again at the content section. Do not forget to omit anything that is required in the checklist, on the contrary you won’t get all the points.Your work is getting better at using present perfect continuous; unfortunately your writing is not perfect yet. There are some aspects that you are forgetting about and checking the grammar structures or spelling can help you get more points.Your writing is really good! There is always something that can be corrected, but you have learnt to use present perfect continuous to talk about situations that started in the past and are still in progress. Excellent!