1. I have been practicing the lines for two hours. <現在完了進行形:継続>
2. Tom has been writing a report since last night. <現在完了進行形:継続>
※since last night 昨夜以来、昨夜から
参考にしてください。
1. I have been practicing the lines for two hours. <現在完了進行形:継続>
2. Tom has been writing a report since last night. <現在完了進行形:継続>
※since last night 昨夜以来、昨夜から
参考にしてください。
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