Question 1 of 12Score: 0 / 12
Remember
- Present perfect simple: experiences, results, or completed actions up to now — I've visited five countries.
- For + a period of time — for two weeks.
- Since + a starting point — since Monday.
- Present perfect continuous: have/has been + -ing; emphasizes an activity continuing from the past or its recent evidence — We've been travelling all day.
- State verbs such as know are not normally used in continuous forms.