they are having a great time___in the pool.横线上是填to swimming 还是swimming 为什么?急用.

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theyarehavingagreattime___inthepool.横线上是填toswimming还是swimming为什么?急用.theyarehavingagreattime___inthep

they are having a great time___in the pool.横线上是填to swimming 还是swimming 为什么?急用.
they are having a great time___in the pool.横线上是填to swimming 还是swimming 为什么?急用.

they are having a great time___in the pool.横线上是填to swimming 还是swimming 为什么?急用.
swimming,to是不定式后面要跟动词原形,这里的swimming是现在分词做状语.

swimming
have a good time doing 可以当短语记忆
也可以用非谓语来解释
句子中谓语 are 所以swim 要用非谓语
非谓语动词Ing表主动 to do 表目的或者将来
swimming 是主动哦
又看到这道题了呢~
希望能帮助到你~^ ^谢谢，你的分析，很容易让我理解哈。...

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swimming
have a good time doing 可以当短语记忆
也可以用非谓语来解释
句子中谓语 are 所以swim 要用非谓语
非谓语动词Ing表主动 to do 表目的或者将来
swimming 是主动哦
又看到这道题了呢~
希望能帮助到你~^ ^

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when they are having a good they are all having a good time They are having a good time.中文 They are having a Chinesd lesson . They are all having a good time they are having meal/a meal/meals? ( )2.They ________ a Music lesson.A.having B.are having C.are have they are (having a PE lesson.)对括号提问? they are having a meeting的同义句 what a good time they are having的意思 [are,good,having,time,a,They(.)]连词成句 They are having a very happy __ (life). 翻译：他们正在通电话 ,填空：They are having a [ ][ ] 补全单词 Look!They are having a piano l_____ They are having a soccer m______ on the playground. they are having a good time_____the heat.填什么 They are having a talk face to face 翻译 They are having a biology lesson now 变成同义句 They are () a biology () now