Grammar

1. Would rather & Prefer exercises HERE.
2. Prefer & rather exercises HERE.
3. Past simple exercises 1 + 2 + 3 + 4 + 5.
4. Future simple exercises 1 + 2 + 3 + 4.
5. Comparative and superlative adjectives exercises 1 + 2 + 3 + 4.
6. Present perfect exercises  1 + 2 + 3 + 4.
7. Be going to exercises 1 + 2 + 3 + 4
8. Expressions of quantity 1 + 2 + 3 + 4
9. 0 Conditional 1 + 2 + 3
10. Modals of obligation 1 + 2 + 3 + 4
11. Modals of (un)certainty 1 + 2 + 3 + 4
12. Modals review 1 + 2 + 3 + 4 + 5 + 6 + 7
13. 0 & 1st conditionals 1 + 2 + 3 
14. Past continuous 1 + 2 + 3