Sorry to disturb good teacher.
Questions about eating bananas :
1. Tom ate not apples but bananas.
2. Tom did not eat apples but bananas.
3. Tom did not eat apples but rather bananas.
4. Not Tom ate apples but he did bananas.
5. Nor did Tom eat apples rather than bananas.
6. Tom ate bananas not apples.
7. Tom ate bananas but not apples.
8. What Tom ate is bananas not apples.
9. What Tom ate is not apples but bananas.
10. What Tom ate is bananas rather than apples.
11. What Tom ate was bananas not apples.
12. What Tom ate is more bananas than apples.
13. Tom ate bananas other than apples.
14. What Tom ate was not apples but bananas.
Question:
Are these sentences all grammatically correct?
Which is/are grammatically incorrect?
Do they have the same meaning?