LEARN THIS! Present perfect simple
We use the present perfect simple
a. for completed actions.
I've set up a Twitter account. Will you follow me?
b. when we say how often something has happened.
Our team has won three times this season.
c. with verbs that are not used in continuous tenses.
I've owed him £50 since the summer.
5. Read the Learn this! box. Underline an example of the present perfect simple for a completed action in exercise 2.
(Đọc Learn this. Gạch dưới một ví dụ về thì hiện tại hoàn thành đơn cho một hành động đã hoàn thành trong bài tập 2)
Bài Làm:
An example of the present perfect simple for a completed action in exercise 2 is "My bus didn’t come. I’ve been trying to phone you since 7.30..."