CEF Levels: Elementary / Pre-Intermediate
1 Full Verb v Auxiliary, Part 1 5 Existential Constructions, Part 2
2 Full Verb v Auxiliary, Part 2 6 Existential Constructions, Part 3
3 Full Verb v Auxiliary, Part 3 7 There is/There are v It is, Part 1
4 Existential Constructions, Part 1 8 There is/There are v It is, Part 2