TY  - BOOK
AU  - Molinsky,Steven J.
AU  - Bliss,Bill
TI  - Side by side / 
SN  - 9780132458863
AV  - LE PE1131  M723s1
PY  - 2016///
CY  - New York
PB  - Pearson, 
KW  - Libros de conversación y frases
N1  - 1. Simple present tense -- 2. Simple past regular and irregular -- 3. Future: going  to -- 4. Present perfect tense -- 5. Present perfect present tense -- 6. Present perfect continuous tense -- 7. Gerunds -- 8. Past perfect tense past perfect continuos tense
ER  -