Put the verb into the present continuous (I am ~ing etc.) or present perfect continuous (I have been ~ing etc.)
Maria — (learn) English for two years.
has been learning
Maria has been learning English for two years.
Hello, Tom. I have been looking for you all morning. Where have you been?
Why are you looking at me like that? Stop it!
We always go to Ireland for our holidays. We have been going there for years.
I have been thinking about what you said and I’ve decided to take your advice.
Is Ann on holiday this week? 一 No, she is working.
Sarah is very tired. She has been working very hard recently.