按要求改写句子。 （1） I often go to the park at weekends.(改成一般疑问句) ______ ______ often ______ to the park at weekends? （2）My uncle usually goes climbing in spring.(对划线部分提问) _______ _______ _______ uncle usually ________ in spring? （3）My mother likes playing the piano.(改为否定句) My mother _______ _______ _______ the piano.
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