1. We have three PE classes a week.

2. We have three PE classes every week.
3. We have three PE classes each week.
[Are the tree the same?]

4. We take three PE classes a week.
5. We learn three PE classes a week.
[Can we use 'take' or 'learn' here? Are #4 and #5 the same as #1?]

1 answer

No, #5 is not the same as the others. Whether you learn anything in the PE classes has nothing to do with the fact that you go to three PE classes each week. The others do mean the same thing, that you are going to PE class three times a week.