identify the tenses and then match them with the explanation of their uses

1.She will be taking the children from school, as usual.
2. A child learns many different kinds of skills at school.
3. Bill Gates has become the world's most famous computer engineer.
4. I had been reading the report for an hour before I went to bed.
5. By 2015 they will have worked at the theatre for twenty years.
6. The language course starts on the 25th of June.

a. general truth

b. timetable, programme

c. action in progress at a stated future time

d. changes that have happened

e. duration of an action started in the past and continuing up to a certain period in the past

f. action which will be finished before a stated future time​