一般现在时动词的变化规律

1、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

2、、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： I'll write to you as soon as I get to Shanghai.We'll go to the park if it doesn't 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：规则动词

3、原形第三人称单数likelikes般动词在词尾加鳴telltdkpbyplaysguessguesses以字母s* X)ch,呂h结尾的teachteaches动词，加化washwashesdodots以。结尾的动词一般加恢gogoesflyflies以辅音字母加y结尾的动canycarries词，先改y为it再i/D-esstudystudits+4+have的第三人称单数形式为has.练习：1. My father is very busy. HeTV after supper.A.d on't watchB.is n't watch C.did n't watch

4、D.does n't watch2. Maryworried because her motherill.Ao oks; isBo ok; isCook; wasD.looked; is3. It's cold outside. Alice, here's your coat., please.A. Put it on B. Put it upC. Take it offD. Take it away4. Theremany flowers in the street.A.isB.areC.beD.am5. Li Ming will buy a watch if his

5、 fatherhim mon ey.A.giveB.givesC.gaveD.will give6. If Zhang Huahard, he'll do better in math.A.will study B.studyC.studiesD.is study ing7. There is something on the floor. Please .A.pick up itB.pick up themC.pick it up D.pick them up8. Please go out to climb the hill if it tomorrow.A.rains B.raining C.won't rain D.doesn't rain9. Mr. Green always tells his daughter a story before she to sleep. A.willgo B.went C.is going D.goes10. How do you go to school every day? By bike. But I take a taxi when it .A.rainsB.rainedC.will ra