... Unit 1: Lesson 4: C 1- 4/ P.1 7- 19 *Model sentences: - How old are you ? - I’m eleven How old + be + S ? - I’m ..…… VI. Practice: - Hello, . This is ..… … - Hello, . How old are you ?… - I’m And ... thirteen = fourteen Unit 1: Lesson 4: C 1- 4/ P.1 7- 19 I. Vocabulary: sixteen: seventeen: eighteen: nineteen: twenty: 16 17 18 19 20 Unit 1: Lesson 4: C 1- 4/ P.1 7- 19 II. Practice: 1. Listen ... seventeen, eighteen, nineteen, twenty - How old are you ? - I m twelve’ Unit 1: Lesson 4: C 1- 4/ P.1 7- 19 * Homework: - Learn by heart the numbers from 0 to 20. - Make dialogue, using This is + name...