aam a22 4500 39667 39667 19295 OSt 20191220085536.0 a0000001970 nyu 0000000000eng00 [sin ISBN] RDA 425 S855 6291 Stieglitz, Francine Progressive audio lingual drills in english 12756 Estados Unidos de América : 15191 Simon and Schuster 15485 1970 341 p. The verb be in the present tense -- There is and there are -- The present tense,-ing form -- And, but, too, either -- This/that and these/those -- The general present tense -- Frequency words -- The verb be in the past tense -- The past tense of regular verbs 27086 Inglés 19339 Gramática BK ddc 0 0 ddc 0 0 General CO-MdCUA CO-MdCUA Sala general - Primer piso 2017-04-06 0 425 S855 10787 2017-04-06 00:00:00 Ejemplar 2 2017-04-06 BK 0 0 ddc 0 0 General CO-MdCUA CO-MdCUA Sala general - Primer piso 2017-04-06 0 425 S855 31030 2017-04-06 00:00:00 Ejemplar 1 2017-04-06 BK