had have done 和had done怎样区分?
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hadhavedone和haddone怎样区分?hadhavedone和haddone怎样区分?hadhavedone和haddone怎样区分?hadhavedone必须干某事／不得不做某事haddo
had have done 和had done怎样区分?
had have done 和had done怎样区分?
had have done 和had done怎样区分?
had have done 必须干某事／不得不做某事
had done 已经干了某事
根据时态区分..
had have done 必须干某事／不得不做某事
had done 已经干了某事