They are monitoring the whole area with TV cameras to the passive voice

1. I can't speak about the book. I haven't read it yet. ( Present Perfect Active )
2.Every day I wound up my watch at 7 o'clock in the morning. ( Past Simple Active )
3. It's Friday. Have you seen him this week? ( Present Perfect Active )
4. Has your father bought books at the House of Books?(Present Perfect Active ) или Did your father buy books at the House of Books? (Past Simple Active )
5. He told this joke many times. ( Past Simple Active )
6. Have you already translated the sentences into French? ( Present Perfect Active )
7. She worked much and usually got many good marks. ( Past Simple Active )
8. Have you been to the Hermitage? ( Present Perfect Active )
9. Did mother make a cake yesterday?( Past Simple Active )
10 Where were they last week? ( Past Simple Active )
11. I want to see how much he has changed since I saw him last. ( Present Perfect Active )
12. I didn't know what Harry said to you. ( Past Simple Active )

1. I can't speak about the book. I haven't read it yet. ( Present Perfect Active )
2.Every day I wound up my watch at 7 o'clock in the morning. ( Past Simple Active )
3. It's Friday. Have you seen him this week? ( Present Perfect Active )
4. Has your father bought books at the House of Books?(Present Perfect Active ) или Did your father buy books at the House of Books? (Past Simple Active )
5. He told this joke many times. ( Past Simple Active )
6. Have you already translated the sentences into French? ( Present Perfect Active )
7. She worked much and usually got many good marks. ( Past Simple Active )
8. Have you been to the Hermitage? ( Present Perfect Active )
9. Did mother make a cake yesterday?( Past Simple Active )
10 Where were they last week? ( Past Simple Active )
11. I want to see how much he has changed since I saw him last. ( Present Perfect Active )
12. I didn't know what Harry said to you. ( Past Simple Active )