be1d066e___LPRs____English_For_Aviation__5
[0] STRUCTURE Relevant grammatical structures and sentence patterns are determined by language functions appropriate to the task. [1] Both basic and complex grammatical structures and sentence patterns are consistently well controlled. [2] Basic grammatical structures and sentence patterns are consistently well controlled. Complex structures are attempted but with errors which sometimes interfere with meaning. [3] Basic grammatical structures and sentence patterns are used creatively and are usually well controlled. Errors may occur, particularly in unusual or unexpected circumstances, but rarely interfere with meaning. [4] Basic grammatical structures and sentence patterns associated with predictable situations are not always well controlled. Errors frequently interfere with meaning. [6] Performs at a level below the Elementary level. [5] 
Shows only limited control of a few simple memorized grammatical structures and sentence patterns.
ICAO Language Proficiency Requirements (LPRs) - English For Aviation
5