Unit1 Asking and Answering Wh-Questions 用特殊疑问词提问并回答 1
Unit2 Punctuation in Diect Speech 书写直接引语时标点符号的用法 7
Direct and Indirect Speech(1)of the Imperative(1)祈使句在直接引语和间接引语中的用法 7
Unit3 Direct and Indirect Speech(2):Reporting Past Events 直接引语和间接引语（2）：转述过去事件 12
Unit4 Two Uses of the Present Continuous Tense 现在进行时的两种用法 18
Making Emotive Comment on Repeated Events就重复事件发表带强烈感情色彩的意见 18
Unit5 Passive Voice Revision 复习被动语态 23
Ways of Expressing Purpose 表达目的的方式 23
Unit6 Talking about Plans in the Future:the Passive Voice in the Future Tense 将来时的被动语态：用于表述未来计划 28
in , on and at in Time Adverbial 时间状语中的“in”，“on”和“at” 28
Presenting Results in the Negative 表达带否定意义的结果：“so that” 33
Unit7 The Attributive Clause(1):Writing Definitions 定语从句（1）：用于定义 33
Unit8 Expressions of Time:Prepositions 表达时间的方法：介词 38
Giving Information in the Sequence of Time:Past Tense 按时间顺序提供讯息：过去时态 38
Unit9 Reporting Changes:the Present Perfect Passive Voice 表现变化：现在完成时被动语态 42
Describing Process:the Past,Present and the Future 表述过程：过去、现在与未来 42
Unit10 The Attributive Clause(2): Who/That 定语从句（2）：“Who/That” 46
Unit11 The Past in the Past :Past Perfect Tense “过去的过去”：过去完成时 50
Unit12 Infinitive as Subject 不定式做主语 53
The Impersonal it 非人称代语 it 53
Describing a State in the Past 描述过去的状态：“Used to be” 57
Unit13 Attributive Clause(3): Where/When 定语从句（3）： Where/When 57
Unit14 Prepositions and Conjunctions 介词与连词 61
Unit15 Making Suggestions(1)提出建议（1） 63
Giving Advice/Warning 给予劝告或警告 63
Unit16 The Past Indefinite and the Past Continuous Tense 一般过去时与过去进行时的连用 68
Unit17 Describing Ongoing Changes:Present Continuous Passive Tense描述正在进行的变化：现在进行时被动语态 73
Unit18 Direct and Indirect Speech(3) 直接引语和间接引语（3） 76
Unit19 Attributive Clause(4) 定语从句（4） 79
Unit20 Preposition Revision 介词复习 82
Article Revision 冠词复习 82
Unit21 The Past Perfect and the Past Indefinite Tenses过去完成时和一般过去时 85
Unit22 Writing Definitions写定义 89
Writing Instructions写说明 89
Verb Study:Transitive and Intransitive Verbs学习动词：及物动词和不及物动词 89
Unit23 The Attributive Clause(5)定语从句（5） 92
Unit24 Reporting in Indirect Speech 间接引语 97
Making Suggestions(2)提建议（2） 97
Unit25 Modal Verbs 情态动词 100
Unit26 Presenting Information 给出信息 104
Answer Key 参考答案 106
List of New Words 生词表（按字母顺序） 122