1

word formation

2

verbs

3

Adverbs

4

Adjectives

5

Conjunctions

6

Determiners

7

Tenses

8

Pronouns

9

Prepositions

10

Phrases

11

Clauses

12

Double comparatives

13

Number-unit-adjective

14

Pre-N

15

Reduction transformation

16

Nouns

17

The Pre-M2