make 5 sentences in the sample past tense and then make extended statements using present perfect tense

1. I did not go to school yesterday because it was heavy rain.
2. When I did not to school the teacher gave the students English homework.
3. Even though I did not come to School yesterday but I understand how to do the homework
4. It was a very heavy rain yesterday that my house got flood.
5. I was very sad that I could not go to school because of the rain.

My parents have always told me not to to absent at school because if I absent I will miss my lessons.