First, we'll look at the most common type of sentence we see in writing: the statement. Like this next snippet.
Next week I start fifth grade.
Statements are the building blocks of writing. A statement gives information. It could be a fact, an opinion, or even an outright lie; it doesn’t matter.
Here are some more examples of statements.
The captain was in the porch, keeping himself carefully out of the way of a treacherous shot, should any be intended.
Maybe I'm making too big a deal about birthday parties.
Simon Martin sprawled over the three chairs outside the staffroom door.
We're not spending much time on statements in this lesson, because if you've done the previous sentence construction lessons, then you've already written a lot of them, and know pretty much everything there is to know about them. Huzzah!
Let's move onto the other sentence types.