三、英语四大句型
一、 陈述句 Declarative Sentence功能陈述事实、表达观点、说明情况、介绍信息。标点结尾句号 .主语齐全正常语序。1. 肯定陈述句He is a doctor.I get up at 7 every day.2. 否定陈述句He isnota doctor.Idon’tlike coffee.二、祈使句 Imperative Sentence功能命令、请求、劝告、建议、禁止、叮嘱。特点主语默认you通常省略句首多用动词原形。标点句号 / 感叹号1. 肯定祈使句Stand up. 起立。Please wait here. 请在这等。Open the door. 把门打开。Sit down. 坐下。Be quiet. 安静。Please help me. 请帮帮我。2. 否定祈使句Don’t talk. 不要说话。Don’t be shy. 别害羞。Dont run. 别跑。Dont be late. 别迟到。Dont open the window. 别开窗。3. Let 型祈使句1) Lets 动词原形Lets Let us咱们一起做……包含听话人Lets go home. 咱们回家吧。Lets study English. 咱们学英语吧。否定Lets not 动词原形Lets not waste time. 咱们别浪费时间。2) Let sb. 动词原形让某人做……不包含听话人Let him go. 让他走。Let me help you. 让我帮你。否定Dont let sb. doDont let him cry. 别让他哭。Let’s go home. 咱们回家。Let me help you. 让我帮你。4. 禁止类祈使句No smoking. 禁止吸烟No parking. 禁止停车No running. 禁止奔跑三、疑问句 Interrogative Sentence功能提出问题、寻求回答。标点结尾问号1. 一般疑问句能用Yes / No回答Do you like English?Is he your teacher?2. 特殊疑问句用what/who/where/when/why/how提问不能用 Yes/NoWhat’s your name?Where do you live?3. 选择疑问句给两个选项A or BDo you like teaormilk?4. 反意疑问句前肯后否、前否后肯尾巴加小问句You are a student,aren’t you?He doesn’t know it,does he?四. 感叹句 Exclamatory Sentence功能抒发强烈情感惊喜、赞叹、愤怒、感慨。标点结尾感叹号两种固定句型What (a/an) 名词短语 主谓What a nice day (it is)!How 形容词 / 副词 主谓How beautiful she is!
