English Grammar Book 1
What is a Sentence? 139
6 Determiners 71 Kinds of Sentences 140
The Imperative 141
The Articles 71 The Subject and the Object 143
Demonstrative Determiners 73 Direct and Indirect Objects 144
Interrogative Determiners 74 Positive and Negative Sentences146
Possessive Determiners 75 Questions 147
7 Verbs and Tenses 79 14 Punctuation 150
The Simple Present Tense 80 Period 150
Am, Is and Are 83 Comma 151
The Present Progressive Tense 89 Exclamation Point 152
Have and Has 93 Question Mark 152