Imagine you are reading and you find a confusing part or word. If you don’t ask the question to find out you will never know what that meant same goes for scientists
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.
1. adverb 2.adverb 3. prep 4.prep
Answer: im confused on what ur asking
Explanation: