TY  - BOOK
AU  - Thomson,A.J.
AU  - Martinet,A.V.
TI  - A practical English grammar : exercises
PY  - 1964///
CY  - London
PB  - Oxford University Press
N1  - 1.Present and past Tenses -- 2.Future and Conditional -- 3. gerund, infinitive and participles -- 6. indirect speech and passive Voice -- 10. conditional and unreal pasts, gerund, infinitive and passive
ER  -