THe second sentence is using present participle because you said " I promise" not "promised". Saying promise is when you are saying it at the time and saying promised means you've already said it. Like with how you said "kissed" instead of "kiss" in the first sentence.
Things are compared with other things to:
1. give them a deeper meaning
2. explainations
3. To show similarites
Chapter 9 tells us that Mrs. Johansen has brought Annemarie, Kirsti and Ellen to stay at her brother's (Henrik) house for a few days. In previous chapters, we find out that Ellen comes to stay with the Johansen's for her own safety. She is to act as the third daughter of the house. When the German soldiers demand evidence that Ellen is actually a Johansen,...
False as because can be replaced by a semi colon