①肯定形式:主语+be+表语(形容词、名词充当表语)。 I am hungry. You are beautiful. He is a doctor. ②否定形式:主语+be+not+表语(形容词、名词充当表语)。 I am not hungry. You aren't beautiful. He isn't a doctor. ③一般疑问句形式:Be+主语+表语(形容词、名词充当表语)? 肯定回答:Yes,主语+be. 否定回答:No, 主语+ be+not. —Are you hungry? —Yes,I am./No,I'm not. —Is he a doctor? —Yes, he is./No, he isn,t. ④特殊疑问句形式:特殊疑问词+Be开头的一般疑问句? —What is he? —He is a doctor. 注意:be要随着主语变。
谓语是情态动词can/may.....+动词原形的一般现在时。 ①肯定形式:主语+情态动词can/may.....+动词原形+宾语。 I can finish my homework. ②否定形式:主语+情态动词can/may.....+not+动词原形+宾语。 I can't finish my homework. ③一般疑问句形式:情态动词Can/May.....+主语+动词原形+主语+宾语。 肯定回答是:Yes,主语+情态动词. 否定回答是:No, 主语+ 情态动词+not. —Can you finish your homework? —Yes,I can./No, I can't. ④特殊疑问句形式:特殊疑问词+情态动词can/may.....开头的一般疑问句? —What can you do? —I can do my homework. 注意:情态动词can/may.....+动词原形。
谓语动词是实义动词(及物动词或不及物动词)的一般现在时。 ①肯定形式:“主语+及物动词+宾语”或“主语+不及物动词”。 She has a little brother. 她有一个弟弟。 The sun rises in the east. 太阳从东方升起。 ②否定形式:“主语+don't/doesn't+及物动词+宾语”或“主语+don't/doesn't+不及物动词”。 She doesn't have a little brother. 她没有弟弟。 I don't eat every morning. 我每天早晨都不吃饭。 ③一般疑问句形式:“Do/Does+主语+及物动词原形+宾语”或“Do/Does+主语+不及物动词原形”。 肯定回答:Yes,主语+do/does. 否定回答是:No, 主语+ don't/doesn't. —Do you eat every morning? —Yes, I do./No, I don't. —Does she have a little brother? —Yes, she does./No, she doesn't. ④特殊疑问句:特殊疑问词+do/does开头的一般疑问句? What do you like? When do you go to school? 注意:根据主语确定用do还是does。