Cambridge B1 Grammar

Basic B1 Grammar for the Cambridge Preliminary Exam (Basic B1 Preparation for the Cambridge Preliminary Exam) (English Edition)

Cambridge University Press

IELTS grammar. Cambridge grammar for IELTS. Student's book with answers. Per le Scuole superiori. Con Audio

Collins Cobuild

Collins Cobuild Grammar Cobuild Intermediate English Grammar And Practice B1-B2 [Second Edition]

Cambridge University Press

B1 Preliminary for Schools and B1 Preliminary. Student's book with answers. Per le Scuole superiori. Con espansione online. Con File audio per il download (Vol. 3)

Cambridge English

B1 Preliminary for schools. Student book. Without answers. Per le Scuole superiori. B1 (Vol. 1): Authentic Practice Tests

Independently published

ENGLISH GRAMMAR REVISION B1: 120 sentence transformation exercises

Collins

Practice Tests for B1 Preliminary: PET          

Cambridge University Press

Advanced Grammar in Use Book with Answers: A Self-Study Reference and Practice Book for Advanced Learners of English

Future House Languages S.L

Activate Upper-Intermediate B2: A Complete Self-Study Course

Collins

Activities for B1 Preliminary for Schools