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Recently 用咩時態？
✗ 你會咁寫
Recently, many secondary school students in Hong Kong are spending more time on digital devices.
✓ 應該係
Recently, many secondary school students in Hong Kong have been spending more time on digital devices.
「Recently」（最近）通常配搭現在完成進行式（have been spending），嚟表達一個由過去持續到而家嘅動作，而唔係現在進行式（are spending）。
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點解你會咁寫
中文「最近好多學生用緊手機」個「緊」直接譯做 are + ing 最順口。但英文 recently 本身已經帶住「由之前到而家」嘅意思，所以要配完成式。呢句好多人攞嚟開頭，一開頭就錯，考官第一眼就見到。
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再睇多兩個例子
✗ Recently the situation is getting worse.
✓ Recently the situation has been getting worse.
✗ In recent years, more students are joining the programme.
✓ In recent years, more students have joined the programme.
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