朗文·外研社新概念英语 新版 教师用书 2 英语初阶PDF电子书下载

Key to Pre-unit Test 1 1

Lesson 1 A private conversation—Word order in simple statements 4

Lesson 2 Breakfast or lunch？—The present,simple and continuous 8

Lesson 3 Please send me a card—The simple past 12

Lesson 4 An exciting trip—The present perfect simple 16

Lesson 5 No wrong numbers—The simple past and the present perfect 20

Lesson 6 Percy Buttons—The indefinite and definite articles 24

Lesson 7 Too late—The past continuous 28

Lesson 8 The best and the worst—The comparison of adjectives 32

Lesson 9 A cold welcome—Prepositions of time 36

Lesson 10 Not for jazz—The passive 40

Lesson 11 One good turn deserves another—Review of tenses 44

Lesson 12 Goodbye and good luck—The simple future 48

Lesson 13 The Greenwood Boys—The future continuous 52

Lesson 14 Do you speak English？—The past perfect 56

Lesson 15 Good news—Indirect statements 60

Lesson 16 A polite request—Type I conditional statements 64

Lesson 17 Always young—Must and Have to 68

Lesson 18 He often does this!—Have(possession/ordinary verb) 72

Lesson 19 Sold out—Can and May 76

Lesson 20 One man in a boat—The gerund after prepositions 80

Lesson 21 Mad or not？—The passive(auxiliary/modal verbs) 84

Lesson 22 A glass envelope—Verbs followed by prepositions:Of,From,In and On 88

Lesson 23 A new house—Review of tenses,modal and auxiliary verbs 92

Lesson 24 It could be worse—Special difficulties:Review 96

Key to Pre-unit Test 2 100

Lesson 25 Do the English speak English？—Word order in compound statements 102

Lesson 26 The best art critics—The present,simple and continuous:Stative verbs 106

Lesson 27 A wet night—The simple past 110

Lesson 28 No parking—The present perfect simple(Since and For) 114

Lesson 29 Taxi!—The simple past and the present perfect simple 118

Lesson 30 Football or polo？—The indefinite and definite articles 122

Lesson 31 Success story—The past continuous and'Used to' 126

Lesson 32 Shopping made easy—The comparison of adjectives 130

Lesson 33 Out of the darkness—Prepositions indicating direction 134

Lesson 34 Quick work—The passive 138

Lesson 35 Stop thief!—Review of tenses 142

Lesson 36 Across the Channel—The simple future and'Going to' 146

Lesson 37 The Olympic Games—The future perfect simple 150

Lesson 38 Everything except the weather—The past perfect simple 154

Lesson 39 Am I all right？—Indirect questions 158

Lesson 40 Food and talk—Type 2 conditional statements 162

Lesson 41 Do you call that a hat？—Must,Have to and Need 166

Lesson 42 Not very musical—Have(ordinary verb) 170

Lesson 43 Over the South Pole—Can and Be able to 174

Lesson 44 Through the forest—The gerund and the infinitive 178

Lesson 45 A clear conscience—The passive 182

Lesson 46 Expensive and uncomfortable—Verbs followed by prepositions:To,At,For and With 186

Lesson 47 A thirsty ghost—Review of tenses,modal and auxiliary verbs 190

Lesson 48 Did you want to tell me something？—Special difficulties:Review 194

Key to Pre-unit Test 3 198

Lesson 49 The end of a dream—Word order in complex statements 200

Lesson 50 Taken for a ride—The present(continuous and simple):Stative verbs 204

Lesson 51 Reward for virtue—The simple past 208

Lesson 52 A pretty carpet—The present perfect,simple and continuous 212

Lesson 53 Hot snake—The simple past and the present perfect,simple and continuous 216

Lesson 54 Sticky fingers—The indefinite and definite articles 220

Lesson 55 Not a gold mine—The past continuous,'Used to'and'Would' 224

Lesson 56 Faster than sound!—The comparison of adjectives,'Much','Many','A lot of' 228

Lesson 57 Can I help you,madam？—Prepositions:At,In,Off(showing place,position);In,With(describing people and their possessions) 232

Lesson 58 A blessing in disguise？—The passive 236

Lesson 59 In or out？—Review of tenses 240

Lesson 60 The future—The present tense,simple and continuous,used in place of Shall/Will 244

Lesson 61 Trouble with the Hubble—The simple present perfect used in place of the future perfect after temporal conjunctions 248

Lesson 62 After the fire—The past perfect,simple and continuous 252

Lesson 63 She was not amused—Indirect speech(indirect commands) 256

Lesson 64 The Channel Tunnel—Type 3 conditional statements 260

Lesson 65 Jumbo versus the police—Must,Have to,Should and Ought to 264

Lesson 66 Sweet as honey!—Have(causative use) 268

Lesson 67 Volcanoes—Can,Be able to and Manage to 272

Lesson 68 Persistent—The gerund after certain verbs and expressions 276

Lesson 69 But not murder!—The passive 280

Lesson 70 Red for danger—Adjectives followed by prepositions:For,With,Of,To,At,From,In,On,and About 284

Lesson 71 A famous clock—Review of tenses and auxiliary/modal verbs 288

Lesson 72 A car called Bluebird—Special difficulties:Review 292

Key to Pre-unit Test 4 296

Lesson 73 The record-holder—Simple,compound and complex statements:Review(KS 1,25,49) 298

Lesson 74 Out of the limelight—The present,simple and continuous:Review(KS 2,26,50) 302

Lesson 75 SOS—The simple past:Review(KS 3,27,51) 306

Lesson 76 April Fools'Day—The present perfect,simple and continuous:Review(KS 4,28,52) 310

Lesson 77 A successful operation—The simple past and the present perfect,simple and continuous:Review(KS 5,29,53) 314

Lesson 78 The last one？—The indefinite and definite articles:Review(KS 6,30,54) 318

Lesson 79 By air—The past continuous and'Used to': Review(KS 7,31,55) 322

Lesson 80 The Crystal Palace—The comparison of adjectives:Review(KS 8,32,56) 326

Lesson 81 Escape—Prepositions:Review(KS 9,33,57) 330

Lesson 82 Monster or fish？—The passive:Review(KS 10,34,58) 334

Lesson 83 After the elections—Review of tenses(KS 74-82) 338

Lesson 84 On strike—The future:Review(KS 12,36,60) 342

Lesson 85 Never too old to learn—The future and the future perfect:Review(KS 13,37,61) 346

Lesson 86 Out of control—The past perfect,simple and continuous:Review(KS 14,38,62) 350

Lesson 87 A perfect alibi—Indirect speech:Review(KS 15,39,63) 354

Lesson 88 Trapped in a mine—Conditional statements:Review(KS 16,40,64) 358

Lesson 89 A slip of the tongue—Must,Have to,Need,Should:Review(KS 17,41,65) 362

Lesson 90 What's for supper？—Have:Review(KS 18,42,66) 366

Lesson 91 Three men in a basket—Can,Be able to,Manage to:Review(KS 19,43,67) 370

Lesson 92 Asking for trouble—The gerund:Review(KS 20,44,68) 374

Lesson 93 A noble gift—The passive:Review(KS 21,45,69) 378

Lesson 94 Future champions—Verbs and adjectives followed by prepositions:Review(KS 22,46,70) 382

Lesson 95 A fantasy—Review of tenses(KS 60,69) 386

Lesson 96 The dead return—Special difficulties:Review(SD 74-91) 390

Structural index 394

Lexical index 399