现在完成时句子结构及例句10条.
问题描述：
现在完成时句子结构及例句10条.
现在完成时句子结构
答
现在完成时的结构；助动词have /has + 动词的过去分词.He has been to Beijing.I have had supper .He has read the book.She has finished her homework.Jim has done his homework.He has finished the work.We ha...