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begin die shop ing 去 e加 ing 變 ie為 y加 ing 雙寫輔音字母加 ing ing ing ting ning ing ing ing ping ming yingning ping 寫出下列單詞的正確形式 原形 單三形式 現(xiàn)在分詞 invite write e run swim eat lie study pay visit invites inviting writes writing es ingruns runningswims swimming eats eatinglies lying studies studying pays payingvisits visiting Sandy: Hello, Amy. _____ you __________ (study) at the moment? Amy: No, I’m not. My cousin ___________ (visit) me. Sandy: Oh, really? What _____ he ______ (do) now? Amy: