牛津高中英语M6U1Grammar技术总结.ppt

Unit one Grammar and usage;I don’t understand why I am not losing weight. ;现在时态的基本形式;I. The present tense 1 表示客观事实或普通真理.(不受时间限制) 1) 地理老师告诉我们地球绕着太阳转。 2) 太阳东升西落。 ;2 表示现在经常或反复发生的动作或存在的状态,常和often, always, usually, sometimes, everyday, once a week 等表示频率的时间状语连用. 他每天晚饭后散步。 我们总是相互关心相互帮助。;3 表示主语的特征、性格、能力等。 1) 斯密斯先生讨厌鱼而且从来不吃。 2) 玛丽英语和法语都说的很好。 3) I _____ ping-pong quite well, but I haven’t had time to play since the new year. A. will play B. have played C. played D. play;4 表示安排或计划好的肯定会出现或按时间表、议事日程将要发生的动作或状态。 1) 飞机上午10点起飞。 2) 明天是星期三。 3) ---Can you tell me when the train ______ for Shanghai, sir? ---Of course, I can. It ______ half an hour ago. A. leaves; left B. will leave; leaves C. will leave; left D. leaves; has left ;5. 在时间、条件状语从句中用一般现在时表示将来的动作。 如果明天下雨我们将不得不推迟会议。 除非老板同意，否则我不能走。 ;你知道条件状语从句 常用些什么引导词吗?!;You can go out to play as long as you ___ (stay) in the back yard. He can use the bicycle on condition that he _______ (return) it tomorrow. ;你知道引导时间状语从句的是哪些连词吗? 表示“当…时候， 在…时,” 的有： when, whenever, each time, every time, next time, the first time, any time… 例如: I’d like to see you whenever it is convenient. Each time I meet him, he will give me some advice. ---Can I join your club, Dad? ---You can when you ___ a bit older. A. get B. will C. are getting D. will have got;2. 表示“一…就”的连词或副词有： as soon as, the moment, the minute, the second, the instant, directly, immediately, instantly…;II. Present continuous tense 1. 表示说话时正在进行的动作(时间点动作) ,表明动作未完成。延续性动词有暂时性含义。 ---what are you doing? ---I am writing a letter. It’s raining heavily now, so we must stay inside.;3. 表示按计划、方案或安排而进行的将来的动作。在这种情况下谓语动词多为非延续性动词, 如come, go, leave, move, start, stop, arrive等，及少数延续性动词，如spend，stay等。;4. 与always, constantly, often, forever 等频度副词连用表示经常反复的行为或赞扬、厌烦、生气等情绪。 那个女孩总爱当众大声喧哗。