He has not found his book/He have not find his book.分析下这两句

He has not found his book/He have not find his book.分析下这两句 He has found his pen 翻译 he has 承认 that he did not finish his homework He was not happy when he found his dinner was not ready. however,he became a driver and he has not regretted it He is finding his job far more exciting为什么用is finding而不用has found 不是表示一直并持续到现在嘛？急用 ______a solution to the technical problem,he was determined not to give up his plan.A.Although he has not found B.Not having foundb a和b有什么区别? He has his hair cut every month,does not he为什么用does not he ,而不用has not he He f____ found his dog He has found his pen改句子Q：_________________________?Q:what_____________________?N:_________________________. Peter______ any money from his parents because he has found a good job and c he thinks he has lost his gold watch. ---------he found it under the beda.luckilyb.suddenly c.recentlydclearly His parents are not at home.He has to look after_____ (he)His parents are not at home.He has to look after_____ (he) he has lost his temper and his health in the war and never found either of them again.怎么翻译 she smiled pleasantly .这句话 ,pleasantly是副词修饰smile ,但为什么要变成 smiled 还有 ,he has found his pen .has he found his pen what has he found he hasn't found his pen 这几句话变化的语法 我原本一直想用did是 ,这 Not until he got off the bus_____that he had got his wallet stolen.A he found B did he find C he had found D had he found.理由能说充分点吗? ---Tommy has not got a birthday cake for his son,has he?---___.He will buy it this afternoonA.Yes,he has B.No,he did not C.Yes,he did D.No,he has not His mother found he playing computer games last eveningwhy not use His mother found him playing computer games last evening 为什么不用him he is not enough to support himself.he has to d____ on his parents