Answer:
I can be swallowed But I can also swallow you.
I know a word of letters three. Add two and fewer there will be. What is the word?
What is harder to catch the faster you run?
In the sun I like to play; in the rain I goes away; walk or run I always follow; in the mud I always wallow.
I am always in front of you, but you will never see me. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?