Run-ons and Comma Splices ppt

Sentence Structure
 Sentence structure is the Big Deal
when it comes to Usage/Mechanics
problems on the ACT. Of the 40
Usage/Mechanics questions, almost
half of them (18 to be exact) will test
you on your knowledge of sentence
structure, the topics of which include:

Sentence Structure
 Run-on Sentences
 Comma Splices
 Sentence Fragments
 Misplaced Modifiers
 Parallelism

Avoiding Run-on Sentences,
Comma Splices, and
Fragments
Getting Your
Punctuation Right!
,
;

What Does a Comma Signal?
 A comma signals a
pause. (It tells the
reader to slow down
briefly, but then keep
going until the thought is
completed.)
 Because I like grammar ,
I like this class.

What Do Periods & Semicolons
Signal?
 Semicolons and
periods signal a full
stop. Idea is complete.
 I love grammar . I love
this class.
 I love grammar ; I love
this class.
STOP!

What Is a Run-on Sentence?
 A run-on is a sentence error caused by
running one sentence into another,
without putting any punctuation in
between.

We all like grammar we all love this class.
Run-on

What Is a Comma Splice?
 A comma splice is a sentence error caused
by putting just a poor, weak comma between
two complete sentences.

We all like grammar , we all love this class.
,

 Separate them with a period, creating two
complete sentences.
We all like grammar .
How Can I Correct Comma Splices
and Run-ons? The 1st way is to…
We all love this class.
STOP

Use a period to correct these run-
ons and comma splices.
 1. These punctuation rules aren’t hard I know
how to avoid run-ons.
 1. These punctuation rules aren’t hard. I know
how to avoid run-ons.
 2. My new supervisor has been making all
sorts of changes, she is really causing
problems.
 2.My new supervisor has been making all sorts
of changes. She is really causing problems.
Correc
Correct!

 Link them with a semicolon; this creates
two complete sentences just as a period
does, but the second sentence doesn’t start
with a capital letter.
We like grammar ;
How Can I Correct Comma Splices
and Run-ons? The 2nd
way is to…
we love this class.
STOP!
No caps!

How Can I Correct Comma Splices and
Run-ons? The 3rd
way is to…
 End the first sentence with a semicolon
and begin the second with a
conjunctive adverb or transitional.
• We like grammar ; therefore, we
love this class.
STOP

Use a semicolon and a transitional word like
therefore or however to correct this comma
splice.
 I’m not going to give up, however, I do
sometimes get discouraged.
 I’m not going to give up; however, I do
sometimes get discouraged.
Correct!

Run-ons? The 4th
way is to…
 Join the two sentences with a comma
and one of the conjunctions. (FOR,
AND, NOR, BUT, OR, YET, SO)

We all like grammar , and we all love
this class.

Use one of the conjunctions to correct this
run-on sentence.
 I want a raise I want more vacation
days.
 I want a raise, and I want more
vacation days.
Correct!

Run-ons? The last way is to…
 Join the two separate sentences into one, with a
subordinating conjunction or relative
pronoun.
 We all like grammar, we all love this class.

Because we all like grammar, we all love this class.

All students who like grammar love this class.
dependent clause
dependent clause
comma
splice
OK!

Main Cause of Sentence
Errors
 Are you still wondering what
punctuation to use?
STOPSTOP

Which is correct?
 I understand run-ons, however, I’m still
having trouble with comma splices.
 I understand run-ons; however, I’m still
having trouble with comma splices.

Let’s try a few, just to make sure you
can catch any punctuation errors!

Which is correct?
 I’m really good with punctuation,
because I have been practicing so
much.
 I’m really good with punctuation;
because, I have been practicing so
much.

Which is correct?
I’ve been given lots of new duties, for example
filing and community outreach.
 I’ve been given lots of new duties; for
example, filing and community outreach.
Remember, you can’t use a semicolon unless
the words on both sides of the semicolon
form complete sentences.

Which is correct?
 This grammar practice is useful;
although, sometimes tedious.
 This grammar practice is useful,
although sometimes tedious.

Here’s a Practice--Run-ons
and Comma Splices
 1. Ralph could tell his brother was home from
work, his dirty work boots were out on the
porch.
 Run-on, comma splice
or
 Correct

Here’s a Practice--Run-ons
and Comma Splices
 1. Ralph could tell his brother was home from
work, his dirty work boots were out on the
porch.
 comma splice corrections:
…home from work. His dirty work boots…
…home from work; his dirty work boots…

Run-ons and Comma Splices
 2. My brother’s roommate at college is a
really nice person, but he needs to
bathe more.
or
 Correct

 2. My brother’s roommate at college is a
really nice person, but he needs to
bathe more.
 Correct. Join compound sentences with
a comma before a conjunction.

 3. The exhausted student rested her
head in her textbook she was asleep in
minutes.
 Run-on corrections--
 …her textbook. She was asleep…
 …her textbook, and she was asleep…
 …her textbook; she was asleep…

 4. Our neighbors must really love pizza
a stack of empty cardboard pizza boxes
sits by their trash can.
or
 Correct

 4. Our neighbors must really love pizza
a stack of empty cardboard pizza boxes
sits by their trash can.
 Run-on corrections—
 …really love pizza. A stack of empty…
 …really love pizza; a stack of empty…
 …really love pizza because a stack of
empty…

 5. The mechanic and I listened to my
car’s transmission. It sounded like a
bag of broken glass.
or
 Correct

 5. The mechanic and I listened to my
car’s transmission. It sounded like a
bag of broken glass.
 Correct

 6. Becky gulped down another cup of
coffee, she had to study all night for her
science test.
or
 Correct

 6. Becky gulped down another cup of
coffee, she had to study all night for her
science test.
 comma splice corrections--
…cup of coffee. She had to study…
…cup of coffee; she had to study…
…cup of coffee because she had to study…

 7. Greg thought that his expensive new
sneakers were stylish, but his parents
considered them a waste of money.
or
 Correct

 7. Greg thought that his expensive new
sneakers were stylish, but his parents
considered them a waste of money.
 Correct. Join compound sentences with
a comma before a conjunction.

 8. The thunderstorm was a bad one the
streets are littered with broken
branches.
or
 Correct

 8. The thunderstorm was a bad one the
streets are littered with broken branches.
 Run-on corrections—
 …a bad one. The streets are littered…
 …a bad one; the streets are littered…
 …a bad one, so the streets are littered…

 9. Because female spiders sometimes
devour their mates during courtship,
male spiders have dangerous love
lives.
or
 Correct

 9. Because female spiders sometimes
devour their mates during courtship,
male spiders have dangerous love
lives.
 Correct

 10. Paul’s new kitten is really cute, she
loves to snack on insects.

 Correct

 10. Paul’s new kitten is really cute, she
loves to snack on insects.
 comma splice corrections--
…is really cute. She loves to snack…
…is really cute; she loves to snack…
…is really cute, and she loves to
snack…

The
END!
No more
comma splices
or run-on
sentences ever
again!
Did you catch on?

Run-ons and Comma Splices ppt

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Run-ons and Comma Splices ppt