( 点击进入 )一般现在时 用法:经常性的和习惯性的动作 常用时间状语 : usually,sometimes,in spring, every day,in the morning 动词构成 :动词原型 . work 动词 +S. (主语是第三人称单数) works 否定构成 : don’t+ 动原 doesn’t+ 动原 一般疑问构成及简答: Do+ 主语 + 动原 + 其它? Yes,I do. Does+ 主语 + 动原 + 其它? No,he doesn’t. 特殊疑问举例 : What do you often do on Sundays? Where does he live? 注意: start,leave,go,come 等的一般现在时可表示按 规定要发生的未来动作,如列车将离开。客观真理在从句中也用一般现在时 . 一般现在时的用法 1) 经常性或习惯性的动作,常与表示频度的时间状语连用。 I leave home for school at 7 every morning. 2) 客观真理,客观存在,科学事实。 The earth moves around the sun. Shanghai lies in the east of China. 3) 表示格言或警句中。 Pride goes before a fall. 骄者必败。 4) 现在时刻的状态、能力、性格、个性。 I don’t want so much. Ann Wang writes good English but does not speak well. 比较: Now I put the sugar in the cup. I am doing my homework now. ( ) 1 -_____ they often ___ these old men? -Yes, they___. A. Do; help; are B.Are; helping; are C. Do; help; do D. Are; helped; are ( ) 2 They usually_____TV in the evening.A. watch B. will watch C. are watching D. watches ( ) 3The sun ___ in the east and___ in the west.A. raises; set B. rise; sets C. rises; sets D. rises; set 练习c 现在进行时 用法:说话时正在进行的动作或当 前一段时间正在进行的动作 常用时间状语 : now,these days 动词构成 : am/is/are+ 现在分词 (--ing) am/is/are working 否定构成 : am/is/are+not+ 现在分词 一般疑问构成及简答: Am/Is/Are+ 主语+ 现在分词 + 其它? Yes,I am(he is.) No,they aren’t 特殊疑问举例: What are you doing now? Who is flying a kite there? 注意: go,come,leave,arrive,return,die 等的进 行时可表示即将要发生的动作 . 有时表示即将发生的动作。 ...