Die Aufgabenstellung:

Make negative sentences in present perfect continuous using the words given.
Be careful: use contracted (short) form (haven't / hasn't), don't forget about full stop at the end of the sentence.
Example: We / meet / in secret
Correct: We haven't been meeting in secret.
Incorrect: We have not been meeting in secret. (You have to use short forms in this exercise)
1.  I / grow / fruit trees for a month.
2.  Andrea / come / home early
3.  Tim and Sonia / live / in Rome since May
4.  Mark / exercise / regularly
5.  Martin / eat / regularly
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