Appearance
时态 Tenses
一般现在时 Simple Present
表示经常性、习惯性的动作或状态。
结构: 主语 + 动词原形(第三人称单数加 -s)
例句:
- I go to school every day.
- She likes reading books.
现在进行时 Present Continuous
表示正在进行的动作。
结构: 主语 + am/is/are + 动词-ing
例句:
- I am reading a book now.
- They are playing football.
一般过去时 Simple Past
表示过去某个时间发生的动作或状态。
结构: 主语 + 动词过去式
例句:
- I went to the park yesterday.
- She finished her homework last night.
现在完成时 Present Perfect
表示过去的动作对现在产生的影响或结果。
结构: 主语 + have/has + 过去分词
例句:
- I have finished my homework.
- She has lived here for ten years.