... Schrampfer
Understanding and using English grammar / Betty Schrampfer Azar
- - 3rd ed.
p. cm.
Includes index.
ISBNO-13-958661-X
1.
English
language—Textbooks
for foreign speakers. 2. English
language Grammar Problems,
... tree.
Rita stood under a tree when it began to rain.
Present and Past, Simple and Progressive 27
UNDERSTANDING
AND USING
ENGLISH
GRAMMAR
Third...