Đang chuẩn bị liên kết để tải về tài liệu:
some tenses of english

Không đóng trình duyệt đến khi xuất hiện nút TẢI XUỐNG Tải xuống

Verbs are the foundation of language and accordingly they are one of the most common questions in the structure and written expreesion section. Although many of the questions invole advanced cases, an understading of the basic tenses is essential. | For more material and information please visit Tai Lieu Du Hoc at www.tailieuduhoc.org The MBA Center Grammar Review for the TOEFL I. Verbs II. Nouns III. Pronouns IV. Modifiers V. Comparatives VI. Prepositions VII. Conjunctions 1 For more material and information please visit Tai Lieu Du Hoc at www.tailieuduhoc.org I. VERBS Verbs are the foundations of language and accordingly they are one of the most common questions in the Structure and Written Expression section. Although many of the questions involve the advanced cases an understanding of the basic tenses is essential In this section we will be using four terms for the verb words. Let s define them before we begin. Infinitive to be to live Dictionary be live Gerund being living Participle been lived Present Tense subject simple continuous perfect perfect continuous I live am living have lived have been living you live are living have lived have been living he she it lives is living has lived has been living we live are living have lived have been living they live are living have lived have been living present simple Indicates a habitual action something that is always true for example a train schedule or a scientific fact. This action does not actually need to occur at the moment of speaking. I live in Paris. Generally speaking I live in Paris. I teach English. Generally speaking I teach English. He eats lobster. He generally enjoys eating lobster. present continuous An action that is occurring at the moment of speaking. An action in the present continuous must be occurring at the moment of speaking as opposed to the more general present simple case. Be careful of continual action verbs like to read that are not necessarily occurring at the moment of speaking exactly. I am living in Paris. At the moment of speaking I am living in Paris. I am teaching English. At the moment of speaking I am instructing a class or student. I am eating lobster. Right now as I speak I am eating lobster. 2 For more material and .