she had to go shopping yesterday为什么要用动词原形to go而不能用went?

She had to go to that school on a bike.为什么是had而不是has she did not go to QingDao because she had been therr before.翻译 she had to send for fresh supply of paper,or she could't go on with the poor girl could go to school,she had to t______herself at home. she had to go shopping yesterday为什么要用动词原形to go而不能用went? She had to go there （twice a week ）last year（画线部分提问） 歌词why she had to go I do not know是什么歌 “The children had better go to bed early.”she sad.改为间接引语 “The children had better go to bed early,”she said直接引语变为间接引语 Perhaps she had to go home early.这个had 后加了动词原形,到底是什么时态.. 106614:she said they still had a long way to go to make hotels in our city much safer.想知道的语言点：1—had a long way to go to make hotels：这里的go to when she go to the cinema,the film___for twenty-five minutes.a.had begun b.had started c.has been on d.had been on when she go to the cinema,the film___for twenty-five minutes.a.had begun b.had started c.has been on d.had been on My cousin said she ___ to work in the west of China after she graduated from university.A will go B went C had gone D would go she had to go to that school on a bike.这里为什么用had而不是have``我怎么看不出来是过去时` -------of danger in the street at ninght,she had to go home__ of danger in the street at night .she had to go home ,with a friend __ her .with a friend __ her .做什么成分? The first thing she did ________up to her teacher and thank her for all her help.A.to go B.had gone C.was go D.was going [-A3] She had no choice but ______ to sleep.A.go B.to go C.going D.gone翻译并分析