He has had aletter from Tom.第一个have不是助动词吗,为什么要改成had?

He has had aletter from Tom.第一个have不是助动词吗,为什么要改成had? He is writing aletter翻译,急 he has had breakfast .has 与had he has had breakfast .句子中has As a result,he became soused to looking upward that when he received aletter during that period,he had to hold it over his head to read it.是什么从句句子 he has had some orangers.变为疑问句 What does he done?是不是he has had orange?(has had orange划线提问)he has had orange?(has had orange划线提问 where has he gonewhere had he gone区别. He has books. He had books. 怎么翻译 he has gone跟he had gone 有什么区别? I didn't know how long____ such aA.has he had B.he has caught C.he had had D.had he caught He told me that he ( )a cold for three daysA has B had caughtC had hadD has had He ________ the computer for half a year. A.has bought B.had bought C.has had D.had had He told me he had finished it.为什么用had不用has今晚就要，明天考试 He () his bike so he has to walk there.A.lostB.has lostC.had lostD.loses 英语翻译还能用 He has had a bar of chocolate how lond has he ()[lent,borrowed,had,bought] the dictionary he,had,breakfast,already,his,has.连词成句 He has an egg every morning.(had;two;this morning)