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最佳答案：1.一般在动词原形末尾加ing：play→playing collect→collecting draw→drawing2.以不发音的e结尾的动词,先去e,再加
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最佳答案：iding,running,shining,writing,hiding.
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最佳答案：catchingthinkingdrinkingriding现在分词变化规则：1 .一般情况下直接加ing2 .以不发音的字母e结尾的单词，去掉字母e，再加in
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最佳答案：taking drawing dancing swimming riding running drinking singing writing
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最佳答案：现在分词：dancing; riding; taking; giving; saying; flying; having; going
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最佳答案：study- studyingride -ridingrun -runningwatch -watchinghave -havingdance -dancing
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最佳答案：iding rode rides
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最佳答案：taking,hiking writing,giving,riding,having,swimming,getting,beginning,shopping,s
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最佳答案：三单 现在分词 过去分词 过去式begins beginning begun beganmixes mixing mixed mixedvisits visit
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最佳答案：thirdridesswimmingslowlydoes