现在完成时常和already, yet, sometime, always, never, ever, before, just等词连用, 也可以和包括现在在内的this morning, today, this week, this year等时间状语连用.
I have written 3 English e-mails today.今天我已经写了三封英文电子邮件了. I have painted six new pictures this week.这周我已经画了六幅新画. I have seen you before.我以前见过你.上一篇： 中考英语冲刺语法练习（一）
下一篇： 中考英语状语从句专项复习课件
调查显示 超六成受访者喜欢在压力小的城市生活
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日本男子发明“大蒜咖啡”原料真的全是大蒜
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为了保密也是拼！权游演员将不会看到剧本内容
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Being Beautiful All the Time 从小美到大
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