Question

1) Which of the following sentences are incorrect? Why ?
1. I was practising the guitar when my friend arrived.
2. I was practising the guitar while my friend arrived.
3. When I was studying for my exam ,my sister was watching a video.
4. While I was studying for my exam,my sister was watching a video.

Answer 1

When=cand
While-in timp ce
Astfel, dintre primele 2 propozitii prima este corecta.
Dintre 3 si 4 a doua este corecta.