FEATURES OF ACADEMIC ENGLISH
1. Simple syntax. Basically coordination, a few relative clauses.
2. Extremely heavy NPs. For app: B2 texts could have main verbs marked to make identification easier.
3. Study the internal structure of NPs (syntactic relation of the different elements).
4. Use of modal verbs, basically epistemic modality.
5. Hedging.
6. The distinction of nouns from verbs.
7. Parentheticals.
8. Many subjects are inanimate, but not all of them.
9. Simple present.