The daredevil cockroach into Sara's soup.

Review the section on for help in understanding the variety of sentence patterns. It is difficult to know if you're using different patterns unless you keep in mind the way that clauses are combined in larger sentence-units of thought. Pay special attention to the variety of sentence types: simple, compound, complex, and compound-complex sentences. These are defined by their essential ingredients, the clauses that make them up. There is also a quiz at the end of that section that will test your ability to distinguish among the kinds of clauses that make up a sentence.

Theo's overworked computer in a spray of sparks.

The essential ingredient in a complex sentence is the subordinate conjunction:

The curious toddler a grasshopper into her mouth.

A relative clause that refers to or modifies entire clauses in this manner is called a sentential clause. Sometimes the "which" of a sentential clause will get tucked into the clause as the determiner of a noun:

Francisco's comic book collection worth $20,000.00.

The popular Japanese puzzle game Sudoku is based on the logical placement of numbers. An online game of logic, Sudoku doesn’t require any calculation nor special math skills; all that is needed are brains and concentration.

We looked on top of the refrigerator,  Jenny will often hide a bag of chocolate chip cookies.

Because of the spoiled mayonnaise, Ricky potato salad all day.

When a relative clause follows a specific noun, punctuation changes. The information in the relative clause is no longer as important, and the clause becomes nonessential. require you to use commas to connect them.

is something that Ricky can do—although he might not enjoy it.

The goal of Sudoku is to fill in a 9×9 grid with digits so that each column, row, and 3×3 section contain the numbers between 1 to 9. At the beginning of the game, the 9×9 grid will have some of the squares filled in. Your job is to use logic to fill in the missing digits and complete the grid. Don’t forget, a move is incorrect if:

Sylvia always at cute guys driving hot cars.

Independent Clauses could stand by themselves as discrete sentences, except that when they do stand by themselves, separated from other clauses, they're normally referred to simply as sentences, not clauses. The ability to recognize a clause and to know when a clause is capable of acting as an independent unit is essential to correct writing and is especially helpful in avoiding and .

, she was only adding another F beside her name in Dr. Armour's grade book.

Adding another F persevering at the exam.

If you are unsure whether a sentence contains an action verb or not, look at every word in the sentence and ask yourself, "Is this something that a person or thing can do?" Take this sentence, for example:

Nicky shook her head and sighed Ø .

Potato chips too loudly to eat during an exam.

Elliptical Clauses are grammatically incomplete in the sense that they are missing either the relative pronoun (dependent word) that normally introduces such a clause or something from the predicate in the second part of a comparison. The missing parts of the elliptical clause can be guessed from the context and most readers are not aware that anything is missing. In fact, elliptical clauses are regarded as both useful and correct, even in formal prose, because they are often elegant, efficient means of expression. (The omitted words are noted in brackets below).

The  of the potato chips drew the angry glance of Professor Orsini to our corner of the room.

Clyde with the force of a tornado.

! ! ! ! ! What are these words doing? They are expressing action, something that a person, animal, force of nature, or thing can do. As a result, words like these are called . Look at the examples below: