a. I have written six letters since I got back.我己经写了六封信 (强调结果)
b. I have been writing letter since I got back. 我回家后一直在写信 (强调一直在写)
c. I have read this book.我读过这本书了(强调读过这一结果)
d. I have been reading this book.我一直在读这本书 (强调一直在读)
【高考英语总复习语法专项 谓语动词1】相关文章:
最新
2016-02-29
2016-02-29
2016-02-29
2016-02-29
2016-02-29
2016-02-29