b)
1 I have four (4) lessons a day.
2 I have three (3) English lessons a week.
3 I have six (6) working days a week.
4 I have one day off a week.
5 I have 4 or 5 exercises to do at the English lessons.
6 Students have reading, writing and speaking tasks at the English lessons.
c)
1 I have three English lessons a week.
2 I have 10 minutes to do the exercise.
3 I had 4 lessons yesterday.
4 I had 4 exercises in the test.
5 I will have 4 lessons tomorrow.
6 I have two (2) English books at home.
7 I have six (6) working days a week.
8 I will have an English exam in summer.