英语时态应用指导PDF电子书下载

Lesson One The Simple Present and the Present Continuous 1

Lesson Two The Past Indefinite and the Past Continuous 12

Lesson Three The Present Perfect and the Present Perfect Continuous (Ⅰ) 23

Lesson Four The Present Perfect and the Present Perfect Continuous (Ⅱ) 32

Lesson Five The Past Perfect and the Past Indefinite 44

Lesson Six Ways of Expressing Future Time 55

Lesson Seven The Passive Voice 71

Lesson Eight The Infinitive 86

Lesson Nine The Participle 98

Lesson Ten The Gerund 112

Lesson Eleven The Indirect Speech 132

Lesson Twelve The Subjunctive Mood 155

Key to Exercises 179