Make up sentences using the perfect tenses: 1.he never to drive through such heavy rain 2.i not to see him since he finished school 3.they to do the task 5 oclock 4.she translate the article before he could help her

1. He have never driven through such heavy rain.
2. I haven't seen him since he finished school.
3. They have been doing the task （тут пропущено слово либо for, либо since) 5 o'clock
4. She had translated the article before he could help her.