| 词汇 | grammar_british-grammar_present-perfect-typical-errors | 
| 语种 | 英语、汉语、英汉翻译、汉英翻译 | 
| 释义 | Present perfect: typical errorsWe don’t use since with periods of time: 
 
 We don’t use the present simple or the present continuous when we talk about ‘time up to now’. We use the present perfect: 
 
 
 We usually use the present perfect simple with the first time when we’re talking about an immediate, continuing or recent event: 
 
 See also: Ever Never or not … ever? | 
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