Formula : verb to have + been + present participle
Ex: have/ has been doing
have/ has been writing
-An action which has been happening for a period of time and still continues happening
a) -I have been eating pizza since 3 o’clock.
b)-He has been listening to music for five hours.
Keywords : -since
Put in the verbs in the Present Perfect Progressive and form negative sentences.
Example: Stella _________________ tennis for half an hour now. (not/to play)
Answer: Stella has not been playing tennis for half an hour now. or Stella hasn't been playing tennis for half an hour now.
|1) Carl _____________________ to the teacher for the last ten minutes. (not/to listen)|
|2) The students _____________________ to learn the new words. (not/to try)|
|3) Kim __________________________ crossword puzzles. (not/to do)|
|4) The teachers _________________________ in the sun. (not/to lie)|
|5) I _____________________________ in the last lesson. (not/to sleep)|