bentuklah kalimat Ini Menjadi present perfect tense(dia menyapu di halaman kantor)

Kelas: SMP
Pelajaran: English
Kategori: present perfect
Pembahasan:

There are several functions in present perfect. Some of them are
- to state the duration
e.g: She has been sweeping the office front yard for 15 minutes.
- to state the achievement of the activity
e.g: She has swept several areas in the office front yard.

She sweeping in the office page (?)