Jim's never come to school late.Jim's 分开是不是Jim has

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Jim's never come to school late.Jim's 分开是不是Jim has
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Jim's never come to school late.Jim's 分开是不是Jim has
Jim's never come to school late.Jim's 分开是不是Jim has

Jim's never come to school late.Jim's 分开是不是Jim has
是has.
原因:
1.句子的意思是“从不迟到”,用完成时是正确.现在完成时态的结构是has+动词的过去分词形式.
2.如果是is 那么never后面是绝对不能用动词次come的原形的.

is

对,后面的come实际上是come(原型)的过去分词.
现在完成时.