Moment in time

I am learning to use preposition, adverbs, direct speech and punctuation in my story. I learned this in our poem it is called the parts of speech poem. I like the preposition and adverbs. What I found easy was to write the story what I found hard was to use adverbs and preposition at sentence beginnings and to put punctuation in the right place. My next learning step is to be more independent to use those things and to nowhere to put them in the right place.