Contents 1
Lesson One 1
Lesson Two 14
Lesson Three 26
Lesson Four 38
Lesson Five 52
Lesson Six 66
Lesson Seven 81
Lesson Eight 95
Lesson Nine 109
Lesson Ten 125
Lesson Eleven 143
Lesson Twelve 158
Lesson Thirteen 173
Lesson Fourteen 189
Lesson Fifteen 204
Lesson Sixteen 222
Appendix Ⅰ A List of Irregular Verbs 240
Appendix Ⅱ Vocabulary 244