Match the sentences and the meaning of the tenses used.
1.The cashier didn’t work yesterday.
2.She has just found her list of items.
3.The boys have bought tennis rockets at the shop.
4.Has Mark been shopping for the whole day?
a)an unfinished action with the certain period.
b)a recent finished action.
v)a finished action focused on the result.
c)action in the past.