时态
laws允许做某事一般都用allowing or requiring
时态跳步!应该跟随前文用过去时
choice (c) is wrong because the tenses don't make sense. 'violates' is in the present tense, but 'allowed' is in the past tense. either one of these tenses could potentially make sense individually, but the combination is absurd: you can't violate (present tense) a law that used to allow something (past tense). if you're going to violate the law in the present tense, then whatever part of the law was violated had better carry over into the present tense. interestingly, all 3 other tense combinations make sense: violates/allows, violated/allows (if the law is still in effect), and violated/allowed (if the law is no longer in effect).
violate应该用过去时态
choice (c) is wrong because the tenses don't make sense. 'violates' is in the present tense, but 'allowed' is in the past tense. either one of these tenses could potentially make sense individually, but the combination is absurd: you can't violate (present tense) a law that used to allow something (past tense). if you're going to violate the law in the present tense, then whatever part of the law was violated had better carry over into the present tense. interestingly, all 3 other tense combinations make sense: violates/allows, violated/allows (if the law is still in effect), and violated/allowed (if the law is no longer in effect).
注意时态:violate应用过去式
violate的时态错误
注意时态!violate应该用过去式!
时态错误 应该用violated
时态跳步!应该跟随前文用过去时
时态有误
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