Change Over Time
We often use the Present Perfect to talk about change that has happened over a period of time.
I don't understand that Please explain the sentence to me by details
You [u]have grown [/u]since the last time I saw you.
The government [u]has become [/u]more interested in arts education.
Japanese [u]has become [/u]one of the most popular courses at the university since the Asian studies program was established.
My English [u]has [/u]really [u]improved [/u]since I moved to Australia.