石鸡的营养价值和功效:have sth done的用法
来源:百度文库 编辑:神马品牌网 时间:2024/10/07 00:12:11
The oil companies make arrangements for the rigs to be repaired frequently.
这句话用have sth done改写的时候,为什么要加had?
The companies have had the rigs repaired frequently.
还有oil rigs have to be repaired frequently.改写时也加了had
They have had the oil rigs repaired continuously.是不是因为上句中有have to?为什么改写后没有to了呢?
以上两个例子中,怎么样看出改写后要用have sth done的完成式have had sth done?原句中并没有用完成式.
这句话用have sth done改写的时候,为什么要加had?
The companies have had the rigs repaired frequently.
还有oil rigs have to be repaired frequently.改写时也加了had
They have had the oil rigs repaired continuously.是不是因为上句中有have to?为什么改写后没有to了呢?
以上两个例子中,怎么样看出改写后要用have sth done的完成式have had sth done?原句中并没有用完成式.
两题都是现在完成时
现在完成时动词用延续性动词
had是很多词的延续性时态
have had sth done是现在完成时态,译为"使,让某人做某事".
都是现在完成时
have sth done的用法
have sth done 的过去完成时?
have sth to do \have sth do\have sth done的区别
have sth to be done和have sth done的区别是什么?
have sth done是什么语态?
have sth done 为什么用done呢
have sb./sth.do、have sb./sth.doing和have sb./sth.done有什么区别,用法怎样?
have sb./sth.do、have sb./sth.doing和have sb./sth.done有什么区别,用法怎样?
have sth doing用法??
德语中的‘have sth done ’怎么说啊?