The simple past tense is used prominently in these readers. Thus, students gain exposure to the conjugation of some irregular verbs. Most readers also include verbs in the simple future. A few more complex modal verbs are presented, with explanations of their use. These stories also use a greater variety of verbs of speech. Paperback: 112 pages Publisher: McGraw-Hill (Dec. 4, 2007) Language: English ISBN-10: 0071273700 ISBN-13: 978-0071273701 Release date: December 4, 2007 Link Download http://nitroflare.com/view/0496E42C384D088/ http://nitroflare.com/view/0C3BD4AAF50AFA5/https://nitroflare.com/folder/949760/L00VuZ2xpc2g=