Mastering Parts of Speech

• ISBN 13 : 9780809237494
• ISBN 10 : 0809237490
• Judul : Mastering Parts of Speech
• Pengarang : Contemporary Books,  
• Kategori : Basic education
• Penerbit : NTC/Contemporary Publishing Company
• Bahasa : en
• Tahun : 1993
• Halaman : 30
• Halaman : 30
• Google Book : http://books.google.co.id/books?id=vjc_OnRb-BgC&dq=intitle:mastering+tenses&hl=&source=gbs_api
• Ketersediaan :

Exercise 12 PAST TENSE IRREGULAR VERBS As you have seen, the past
tense of most verbs is formed in a regular manner, by adding ed: look, looked;
pick, picked; rain, rained; jump, jumped Some verbs, called irregular verbs, form
the ...