Write full negative sentences. Don’t use short forms.
1. She has gone on a boat trip on the Tiber river. 
2. She has taken a lot of photos. 
3. I have pulled a muscle.

SHE HAS NOT GONE ON A BOAT TRIP ON THE TIBER RIVERSHE HAS NOT TAKEN A LOT OF PHOTOSI HAVE NOT PULLED A MUSCLE

1. She has not gone on a boat trip on the Tiber river.  2. She has not taken a lot of photos.  3. I have not pulled a muscle.