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istarteddoingsthwhenIwas6andIhavebeendoingthisfor10years,完全不懂为什么是start.doing,havebeendoing又是什么结构?.挠地啊.
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i started doing sth when I was 6 and I have been doing this for 10 years ,完全不懂为什么是start.doing ,have been doing 又是什么结构?.挠地啊.
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答案和解析
英语需要理解记忆,不要死记硬背!
start是“开始”的意思start doing sth“开始做某事”你可以把doing sth 看做一个名词,start是一个动词.have是完成时,be doing把be看成一个动词
start是“开始”的意思start doing sth“开始做某事”你可以把doing sth 看做一个名词,start是一个动词.have是完成时,be doing把be看成一个动词
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