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Anonymous Posted 10 years ago
Grammar

Until (they joined / joining) a union in 1949, a welder at Thrift Machine Corporation often worked thirteen-hour shifts.
  

Top answer

Until they joined a union in 1949, the welder s at Thrift Machine Corporation often worked thirteen-hour shifts.

  • Until they joined a union in 1949, the welder s at Thrift Machine Corporation often worked thirteen-hour shifts.
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2 Answers
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Until they joined a union in 1949, the welders at Thrift Machine Corporation often worked thirteen-hour shifts.
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"Joining" doesn't have any tense, so it can't be right. "Joined" is past tense, so it is the right answer. However, the sentence has another problem in that "they" is the subject in the first clause, but "a welder" is the subject of the second clause. It's not "wrong," but it would be better to use "welders" as the subject of the second clause so it is more logically connected to the first clause.

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