WrongI am living here since 2019.
RightI have lived here since 2019.
«since» and «for» take the present perfect, not the present continuous.
Not the whole tense system — the three the exam really asks for.
Task 1 describes past data, Task 2 a general situation, Speaking Part 1 habits and experience. Mixing past simple and present perfect is the most common tense error of all.
WrongI am living here since 2019.
RightI have lived here since 2019.
«since» and «for» take the present perfect, not the present continuous.
WrongThe population grew in 2020 and has fallen in 2021.
RightThe population grew in 2020 and fell in 2021.
If the chart names years, the whole description stays in past simple.
WrongYesterday I have visited my aunt.
RightYesterday I visited my aunt.
«Yesterday» and «last year» cannot sit with the present perfect.
Pick one answer for each question — the right answer and the rule appear straight away. Nothing is saved.
1.The number of visitors steadily since 2015.
2.In 2010 the city its first metro line.
3.Water at 100 °C at sea level.
4.I for this company for three years, and I still enjoy it.
5.Last summer my family to Samarkand for the first time.
6.Most young people in my country a smartphone these days.
Write an essay and the AI grades it on Grammatical Range and Accuracy too, showing which mistake keeps coming back.