The passive voice and modals of deduction ( might, must ).
The booklet is organized into "Files" that mirror the main Student's Book structure. Key topics include:
Future forms (going to, will/shall) and present perfect vs. past simple. File 3: Comparatives and superlatives.
Use the English File Intermediate Student's Site for interactive grammar, vocabulary, and pronunciation exercises.
You can find additional practice and official downloads through these platforms:
Present simple and continuous, and action/non-action verbs.