1- ten o'clock 2- hotel....(there are many ways to do this, but this sounds better) I went to the hotel where Mary Harlow was staying. 3- While (sounds better) I was waiting outside the hotel, I drank a cup of coffee, and I bought or newspaper. OR- While I was waiting outside the hotel, I drank a cup of coffee and bought a newspaper. 4- She was walking fast and smoking a cigarette. 5- I followed her for a few mintues. 6- She was coming into Central Park when she saw me. 7- She looked at me for a moment, but she didn't stop walking. 8- She took (bought?) a cup of coffee and sat down. 9- It was a beautiful day. 10. Some people were eating hamburgers under the trees, and others were listening to music. 11. After 10 minutes a man sat beside Mary and started a conversation with her. 12. While she was talking to him, she smoked 3 cigarettes. 13. This man wasn't her husband. For the most part, this was very good. I know that English verbs are very difficult. I can explain my changes, if you like. English is my native language.

I left my office (in the morning) at ten and I went to (the) hotel of Mary Harlow. (While) I was waiting outside the hotel, I (drank) a cup of coffee and I bought a newspaper. I saw Mary at eleven o'clock. (she) left the hotel and turned ()right. She was() walking fast and () smoking a cigarette. I followed her for (a few) minutes. She was (entering)() Central Park when() she saw me. She looked (at) me for a moment, but () didn't stop (walking.) She (drank/took(?)) a cup of coffee and (sat on a bench). It Was a beautiful day, Some people (were) eating hamburgers under the trees, other (were) listening music. After ten minutes a man (who was not her husband) (sat) beside Mary and started (a) conversation with her. While she was talking she () (smoked) three cigarettes. (This man wasn't her husband / This man did not appear to be her husband/ * it depends how you knew he was not her husband you could put the text next to the man above rather than in a new sentence* *() means miss out this word*

I left my office at ten o'clock A.M. and I went to hotel of Mary Harlow. While I was waiting outside the hotel, I drank a cup of coffee and bought a newspaper. I saw Mary at eleven o'clock. She left the hotel and turned to the right. She was walking fast and smoking a cigarette. I followed her for ten minutes. When entering into Central Park, she saw me . She looked at me for a moment, but then, she didn't stop. She took a cup of coffee and sited. It was a beautiful day. Some people were eating hamburgers under the trees, other were listening music... After ten minutes a man sited beside Mary and begun to talk with her. While talking, she was smoked three cigarettes. This man wasn't her husband.