When you are writing, words are grouped together ... Someone really should look into that. Anyway, sentences have basic rules. They always start with a capital letter and end with punctuation ...

We speak differently than we write. For comprehension development, children need exposure to syntax common to both.

For example, should you write "The preprocessor sorts the two arrays" or "The two arrays are sorted by the preprocessor"? If you are discussing the preprocessor, the first sentence is the better ...

When you are writing, words are grouped together ... to make sure your sentences are clear. Firstly, a sentence needs a capital letter at the beginning and a punctuation mark at the end, like ...