en/b1/grammar/demo-present-perfect
Present Perfect (have + past participle)
Past action with present relevance; used with for/since/already/yet
- 难度
- 0.60
- 重要性
- 0.88
- 类型
- GRAMMAR
- 级别
- B1
例句
I have lived here for three years.
延续至今的期间用 for。
She has already finished.
already 常配完成时。