Укажите пожалуйста времена этих предложений. 1.I did not go to school

1. I did not go to school yesterday. - Past Simple.
2. Yesterday at 5 oclock we were writing a dictation. - Past Continuous.
3. We have done the homework to 7 hours. - Incorrect. We have been doing the homework for 7 hours. - Present Perfect Continuous.
4. My friend made the lessons for an hour when I come. - Incorrect. My friend had been doing the lessons for an hour when I came. - Past Perfect Continuous, Past Simple.
5. We read the book to the time when he came. - Incorrect. We were reading the book at the time when he came. - Past Continuous, Past Simple. We had read the book by the time when he came. - Past Perfect, Past Simple.