buatlah masing masing 3 kalimat dalam bentuk 1. simple perfect continous 2. simple past perfect

Present perfect continous tense
-I have been waiting for 2 hours
- She have been preparing the presentation
- They have not been playing football for a month

Past perfect tense
- I told you that the train had left
- I thought I had met her before
-she asked them that they had not finished the project