when have you heard from your改错改错when have you heard from your brotherhave they alrady begun the new service

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when have you heard from your改错改错when have you heard from your brotherhave they alrady begun the new service

when have you heard from your改错改错when have you heard from your brotherhave they alrady begun the new service
when have you heard from your
改错
改错
when have you heard from your brother
have they alrady begun the new service

when have you heard from your改错改错when have you heard from your brotherhave they alrady begun the new service
把第二个have改成had.
这个是在考复合句的时态,因为当你收到哥哥的来信时已经是发生在过去