小升初英语语法复习：since的四种用法 标签：小升初教育新闻
<p>1) since +过去一个时间点(如具体的年、月、日期、钟点、2023, last month, half past six)。</p><p>I have been here since 2023.</p><p>2) since +一段时间+ ago</p><p>I have been here since five months ago.</p><p>3) since +从句</p><p>Great changes have taken place since you left.</p><p>Considerable time has elapsed since we have been here.</p><p>4) It is +一段时间+ since从句</p><p>It is two years since I became a postgraduate student.</p>
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