新概念英语第二册Lesson2.ppt

一般现在时 （1）表现在的事实、状态或动作 eg. Birds fly. She loves music. Marys parents get up very early. （2）表习惯性动作或职业，常与时间副词连用 eg. I always take a walk after supper. She writes to me very often. （3）表客观真理，格言警句或事实 eg. The earth moves round the sun. The sun rises in the east and sets in the west. Two and two makes four. No man but errs. 人非圣贤，熟能无过。 （4）表将来 在由when，after, before，as，as soon as，although，because，if，even if，in case，till，until，unless，so long as，where，whatever，wherever 等引导的状语从句中用一般现在时表将来发生的动作。 eg. Ill tell her when she comes tomorrow. Even if it rains this afternoon, Ill meet you. Whatever happens, you should keep cool-headed. Ill be right here waiting for you wherever you go. 按时间表示将要发生的动作或事件，用一般现在时表达将来时概念。 eg. The play begins at 6:30 this evening. When does the plane take off? He leaves for that city next week. 现在进行时：is / am / are + 现在分词 表示现在正在进行的动作。 eg. The kettle is boiling. Shall I make tea? Dont you think you eat too much? Youre putting on weight. The workers are building a new bridge across the river. 表现阶段正进行的动作。 eg. He is taking physics this semester. Weare preparing for our final examination this week. go, come, leave, arrive, land, meet, die, start, return, join等用于进行时态时表示即将开始的动作(现在进行时表将来)。 eg. Look! The bus is coming. The old man is seriously ill, and he is dying. Alice is leaving for Beijing with her mother. 与 always, forever, continually, constantly 等副词连用，表示说话人带有感情色彩：赞赏或厌恶。 eg. He is always thinking of others. The boy is continually making noises. 2. 表述频度的副词 never、sometimes、often、always、still、seldom Im never late for appointments. Sometimes he tells us jokes. We often meet at the coffee shop. She is always nice and friendly to people. Are you still working? I seldom watch TV. 频率副词往往放在句子中的实义动词前 My friends never come to visit me. 我朋友从来不来看我。 I rar