couple of times a couple of time a couple time couples of ti

couple of times a couple of time a couple time couples of ti 可以说a couple of couple? I cooked dinner a couple of time a couple of weeks 正确还是couples of weeks 正确 couples of 和 a couple of 的区别 a couple of times a week a pair of couple a couple of a couple of hours.. 关于a couple of .. in a couple of a couple of years