SENTENCE SURGERY
Putting more life into your sentences.
The tutorials in this section focus on what you need to know —and do!— in order to ensure that the structure of your sentences doesn’t blur the clarity or disrupt the flow or your ideas.
BUILDING BLOCKS. Regardless of their length and the ideas they express, the basic components of complete sentences are always the same. 
RUN-ON SENTENCES. How to ensure that the thoughts you express in your sentences end where you want them to end.
SENTENCE FRAGMENTS. Keeping your writing from Word groupings that resemble a complete sentence, but do not express complete thoughts.
REFERENCE CHECKING. How to prevent mismatches between the pronouns you use and words those pronouns are replacing.
ELIMINATING REDUNDANCIES. The last thing you need in your sentences words or phrases that do nothing more than duplicate the meaning of other words or phrases in the same sentence. .
MISPLACED MODIFIERS. Modifiers are the Secret Service agents sentence structure: If they’re not within whispering distance of the words they are modifying, they are not doing their jobs.
PARALLEL STRUCTURE. Parallelism is a common sentence pattern in poetry, song lyrics, and speeches, but it can also be useful in writing—as long as you overdo things.
LOOPING BACK. Regardless of how clearly you have expressed the ideas in each individual sentence you write, you still need to pay attention to how smoothly and logically the ideas in each sentence connect to one another.