Verify/correct my sentence: 虽然 我喜欢去露营, 我不没时间去最近 还有我没有有人去跟。
When a sentence is started with a 虽然 (although), it is always followed by a "but" (但, 但是, 不过, 可是)
  
  
  虽然 我喜欢去露营 但


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  Unlike in English, time is mentioned at the beginning of a clause, 
  
  
  虽然 我喜欢去露营 但 最近...


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  Most of the time, the subject 我 only need to be mentioned once in a sentence.
  
  
  虽然 我喜欢去露营 但 最近


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  我不没时间去 - '不没' is a 'double negative'- delete '不'  
  
  
  虽然 我喜欢去露营 但 最近 没时间去


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  却  usually follows 但 
  
  
  虽然 我喜欢去露营 但 最近 却没时间去,


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  还有我没有有人跟。
  
  
  It is correct that 还有 means "also/ and" but in this case, use '也' make better connection between clauses in the sentence.
  omit 我
  跟 (with) should follow by the subject and verb [go with me]=[跟我去]
  
  
  
  也没有人跟我去。


Correct grammar:


  "虽然 我喜欢去露营 但 最近 却没时间去, 也没有人跟我去。"


Simplify: (You only need the verb '去' once)(没有 can reduced to 没)


  "虽然 我喜欢露营 但 最近 却没时间, 也没人跟我去。"