四大时态 一般现在时 知识要点: 一、一般现在时的概念: 1、表示经常性的动作或现在的状态。 例:He gets up at six every morning. The boy is ill. 2、表示现在的能力、特征、职业等。 例:She dances well. My mother teaches English. 3、表示普遍真理或客观事实。 例:Summer comes after spring. The sun rises in the east. 二、一般现在时的结构: 1、句式结构:主语+谓语动词(动词原型或动词第三人称单数)+其他成分 例:I go to school by bike. She goes to school by bus. 三、动词第三人称单数变化规则: 1、一般在动词后加s 例:play-plays swim-swims jump-jumps 2、以s, x, ch, sh, o结尾的单词加es 例:guess-guesses mix-mixes watch-watches wash-washes go-goes do-does 3、以辅音加y结尾的单词,去y为i再加es 例:fly-flies worry-worries carry-carries 注意:have 的第三人称单数是has 四、一般现在时的用法: 1、一般现在时常常与always, often, usually, sometimes, never every day, every week, every yeas等连用。 例:He always goes to school on foot. I often have lunch at home. She does her homework at home every day. 2、一般现在时的一般疑问句结构。 Do/Does+主语+谓语(动词原型)+其他成分+问号 例: Do you work in a hospital? Does she go to school by bike? 3、一般现在时的否定句结构。 主语+don't/doesn't+谓语(动词原型)+其他成分。 例:I don't work in a hospital. She doesn't go to school by bike. 典型例题: 例1.单项选择:---Where does Mr. Lee______? ---He______ in the USA. A. live, live B. lives, lives C. lives, live D. live, lives 本文来源:https://www.wddqw.com/doc/062c8cf9b24e852458fb770bf78a6529657d357d.html