1.我们买这本书三年了.We（）（）the book for three years.

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1.我们买这本书三年了.We（）（）the book for three years.
1.我们买这本书三年了.
We（）（）the book for three years.
2.他感冒三天了.
He（）（）a cold for three days.
3.上星期我借的这本书.
I（）（）the book（）last week.
4.我成为一个学生两年多了.
I（）（）a student（）over two years.
5.Mr.Black死了三年了.
Mr.Black（）（）（）（）three years.

.我们买这本书三年了.
We（have ）（had ）the book for three years.
2.他感冒三天了.
He（has ）（had）a cold for three days.
3.上星期我借的这本书.
I（have ）（kept ）the book（since ）last week.
4.我成为一个学生两年多了.
I（have ）（been ）a student（for ）over two years.
5.Mr.Black死了三年了.
Mr.Black（has ）（been ）（dead ）（for ）three years.
注：注意终止性动词与持续性动词在现在完成时中的用法；另外for +一段时间； since +过去的时间点/从句

1.我们买这本书三年了.We（）（）the book for three years. 这本书我买了十年了英语翻译!I( ) ( ) the book （）ten years ago 用神马时态啊? It _____ three years since he _____ the computer这台电脑他已经买三年了 I______ _______(借)the book for three years 1.It took me three years to write the book.（同义句转换）汉译英我已经三年没见你了I _____ _____you for three years. three years （）passed,we graduation from the school.1.has 2. Tim has been abroad for three years.（TIM出国已经有三年）我想问,为什么不是 t The book has been given to the library for three years. ①We have been learning English for three years.(改为同义句） far,we ( ) English for nearly three years thank you for ____(买） me the nice book