Question

1My father goes to office by metro (goes)
2she ___ (practice) on the piano for an hour when she heard knock on door

Please tell answers of these two they are tenses

Answer 1

Answer:

practices

Explanation:

it is in present continious

Answer 2

Answer:

1 ) My father goon to office by metro .

2 ) She practiced on the piano. for an hour

Explanation:

I can't understand the last when she heard knock on door