Gaining ground :
Cake, Cathleen.
Gaining ground : intermediate grammar / by Cathleen Cake, Holly Deemer Rogerson - Rowley, Mass. : Newbury House Publishers, 1986. - xiii, 310 p. : ill. ; 26 cm.
Includes index.
Tense review--Modals--Gerunds and infinitives.
0883773147 (pbk.)
English language--Textbooks for foreign speakers.
English language--Grammar--Problems, exercises, etc.
Gaining ground : intermediate grammar / by Cathleen Cake, Holly Deemer Rogerson - Rowley, Mass. : Newbury House Publishers, 1986. - xiii, 310 p. : ill. ; 26 cm.
Includes index.
Tense review--Modals--Gerunds and infinitives.
0883773147 (pbk.)
English language--Textbooks for foreign speakers.
English language--Grammar--Problems, exercises, etc.