M6U1 Grammar and Usage 导学案(present tenses)Learning aims(学习目标):(1) Master the usage of present tenses.(2) Practice about the four kinds of present tenses.Important points(学习重点) ：How to use the simple present tense; the present continuous tense; the present perfect tense; the present perfect continuous tense:Difficult points(学习难点)：Some special usage of present tenses.Learning guides( 方法导引)：compare, deduce and practiceLearning procedure（学习过程）:Step 1 Lead-inWarming up: Watch flash. Describe what you’ve watched, using present tenses.Step 2 General knowledge of present tensesI The present tense1 表示客观事实或普通真理.(不受时态限制)The geography teacher told us the earth moves around the sun.Japan lies to the east of China. 日本位于中国的东方。The sun rises in the east and sets in the west. 太阳东升西落。Galileo collected facts that proved the earth _____ around the sun.A. moved B. moves C. has moved D. had moved2 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.He takes a walk after supper every day. 他每天晚饭后散步。My mother works at the same company as my father. We always care for each other and help each other. （06 辽宁）The father as well as children _____ skating every Sunday afternoon in winter. A. is going B. go C. goes D. are going3 表示主语的特征、性格、能力等。Mr. Smith hates fish and never eats any. 斯密斯先生讨厌鱼而且从来不吃。Mary speaks both English and French very well. 玛丽英语和法语都说的很好。1) ——Can I help you, sir?——Yes, I bought this radio yesterday, but it ____.A. didn’t work B. won’t work C. can’t work D. doesn’t work 2) (06 浙 江 ) This machine _______. It hasn’t worked for years. A. didn...
