For so many years 后面要用完成时态么?还是什么时态都可以?
For so many years 后面要用完成时态么?还是什么时态都可以?
有for many years 用什么时态?
having+ved 如:having stood for many years 是什么时态?还是什么用法?
it happened that 后面跟过去时态还是现在时态过去时态都可以?
for years 用于什么时态
the dream he had had for so many years ended there 这句话是什么时态,
"so"后面加动词原形吗?还是要看什么时态?
for several years 用于什么时态
for the next 3 years和in 3 years都用什么时态
时态填空_____you _____(be )in TianJin for many years.
not until一定要用完成时态么
请分析下面英语句子结构及时态:The dream he had had for so many years ended