5 Indicators for Present Perfect Simple are
1)yet, ever, never, recently.
2)all day, by, since.
3)every day, usually, often.
4)yesterday, ago, last month.
6 Indicators for Present Perfect Continuous are
1)yet, ever, never, recently.
2)all day, by, since.
3)every day, usually, often.
4)yesterday, ago, last month.
5. 1)yet, ever, never, recently
6. 2)all day, by, since.