一般现在时动词的变化规律

.一般现在时概念：经常、反复发生的动作或行为及现在的某种状况。动词用原形(单三人称动词加s / es) (问句和否定句借用助词do / does)1、表示现在的状态。 例：She works in a hospital. 2、表示经常或习惯性的动作。 例：He gets up at six. She visits her grandparents every weekend. 3、表示特征或能力。例：He likes English a lot. She can swim. 4、表示客观事实或普遍真理。 例：She said that he earth goes around the sun. 5、在时间状语从句和if 引导的条件状语从句中，常用一般现在时表将来。例：Ill write to you as soon as I get to Shanghai. Well go to the park if it doesnt rain tomorrow. 6、表示（书、信、报纸、通知、告示和广播等）“说”、“道”，主要是动词say。 例：The notice says, No Parking. The radio says heavy rain in the afternoon. 7、当主语是第三人称单数时，动词的变化规则为：练习： 1. My father is very busy. He _ TV after supper. A.dont watch B.isnt watch C.didnt watch D.doesnt watch2. Mary _ worried because her mother _ ill. A.looks; is B.look; is C.look; was D.looked; is 3. Its cold outside. Alice, heres your coat. _, please. A. Put it on B. Put it up C. Take it off D. Take it away 4. There _ many flowers in the street. A.is B.are C.be D.am 5. Li Ming will buy a watch if his father_ him money. A.give B.gives C.gave D.will give 6. If Zhang Hua _ hard, hell do better in math. A.will study B.study C.studies D.is studying 7. There is something on the floor. Please _. A.pick up it B.pick up them C.pick it up D.pick them up8. Please go out to climb the hill if it _ tomorrow. A.rains B.raining C.wont rain D.doesnt rain 9.Mr. Green always tells his daughter a story before she _ to sleep. A.will go B.went C.is going D.goes 10.How do you go to school every day? By bike. But I take a taxi when it _. A.rains B.rained C.will rain D.is raining 11.