改为现在完成时：Jack began to learn painting when he was seven.

改为现在完成时：Jack began to learn painting when he was seven. 有关与英语的现在完成时和过去完成时的几道题将下列句子改为现在完成时和过去完成时1.The wounded soldier lay on his back in the snow for several hours.2.Jack began to learn painting when he was seven.3.They moved her jack began to learn paintingwhen he was seven 改为现在完成进行时 I didn't find my glasses (改为现在完成时） We began to study hear 2 year ago.改为同义句 用since或for转化为现在完成时的句子 Jack can't make a puppet.(改为肯定句) Jack began to play the piano from last year.(改为同义句）It has been one year ( )Jack（ ） （ ）play the piano. jack began to play the piano from last year (改为同义句)it has been one year____ Jack _____ _____ play the piano 一般现在时怎样改为现在完成时? 将下面的句子改为现在完成时Mr.Green began to live here five years ago.Mr.Green ___ ___ here ___five years. he began to teach in this school 9 years ago（改为现在完成时）he _ _ _ in this school for 9 years jack studies english hard,jim doesn't study english hard改为同义句Jack doesn't study English so hard as Jack .可以把so改成as吗 Jack says,I don't know the new teacher's name.“改为间接引语Jack says_____ _____know the teacher's She didn’t borrow any books from the library half a month ago .( 改为现在完成时 Jack's grandfather doesn't konw how he should use a computer.（改为同义句） jack used to wear t-shirts every day 改为一般疑问句 the TV play began at seven o'lock(现在完成时） Neither Tom nor Jack read yesterday's newspaper.(改为同意句） Tom didn't read yesterday's newspaperNeither Tom nor Jack read yesterday's newspaper.(改为同意句）Tom didn't read yesterday's newspaper._____ ______ Jack.