英语一般现在时

一般现在时是英语中最常用的时态之一，表示现在经常发生的动作、情况、状态和特征。介绍了构成、标志词。

一般现在时

• 🐢含义
  • 通常表示经常发生或习惯性动作或目前的状态
  • 客观真理：The sun goes up in the east. The earth goes around the sun.
• 🐢构成
  • be 动词
    • 肯定式：主语+am/is/are 例：l am a student. He is a teacher
    • 否定式：主语+am/is/are +not … 例：l am not a student. He is not a teacher
    • 一般疑问句式
      • 一般疑问句：Am/Is/Are +主语+…？ 例：Are you a student? Is she a teacher?
      • 回答：Yes ,主语+am/is /are. No,主语+am /is/are +not. 例：Yes , I am. No,l am not. Yes,she is. No,she isn’t.
  • 实义动词
    • 动词三单构成
      • 直接+s，例：swims、runs、jumps.
      • +es sh 、ch、x、s、o、z 口诀：蛇吃了x毒药会死哦，zzz。 例：goes 、buzzes
      • 改y为ies 例：carries.
      • 不规则 例：has.
    • 肯定式：主语+动词原形/动词三单 例：l/You/We/They like English. He/she/it likes ice-cream.
    • 否定式：主语+助动词don't/doesn't+动词原形. 例：l don’t like English. She doesn’t like books.
    • 一般疑问式
      • 助动词Do/Does +主语+动词原形？ 例：Do you like English? Does she like cats?
      • 回答：yes,主语+do/does. No,主语+don’t/doesn’t. 例：Yes, I do. No, I don’t. Yes, she does. No, she doesn’t.
• 🐢标志词
  • every day/week/month/year always usually often sometimes on sundays in the morning/afternoon/evening