Unit 1 3
Unit 2 17
Unit 3 34
Unit 4 48
Unit 5 60
Unit 6 72
Unit 7 86
Unit 8 99
Unit 9 111
Unit 10 123
Unit 11 138
Unit 12 150
Unit 13 160
Unit 14 169
Unit 15 177
Unit 16 184
Unit 17 192
Unit 18 206
Unit 19 215
Unit 20 225
Unit 21 236
Unit 22 245
Unit 23 256
Unit 24 265
Unit 25 275
Unit 26 283
Unit 27 295
Unit 28 307
Unit 29 319
Unit 30 331
Unit 31 343
Unit 32 356
Unit 33 366
Unit 34 374
Unit 35 383
Unit 36 395
Unit 37 405
Unit 38 413
Unit 39 420
Unit 40 428
Unit 41 435
Unit 42 442
附录：不规则动词的三态变化表 449
索引 453