Sentence Types
Sentence Types
Simple
Compound
Complex
Compound

Complex
SUBJECT

PREDICATE

Mary

plays tennis.
SUBJECT

PREDICATE

Mary

plays tennis.

one subject

one predicate
Tom and Mary

Compound Subject

play tennis.
Tom and Mary

play tennis and swim.

Compound Subject

Compound Predicate
Tom and Mary play tennis.
Tom and Mary play tennis and swim.
Tom and Mary play tennis and swim.
No comma before “and”
in compound
subjects and predicates!
SUBJECT

PREDICATE
and

SUBJECT

PREDICATE
Tom

swims,

and

Mary

plays tennis.
FOR
AND
NOR
BUT
OR
YET
SO
Tom swims, and Mary plays tennis.
Clause 1
Independent

Clause 2
Independent
Tom swims, and Mary plays tennis.
Comma before “and”
in compound
sentences!
MOREOVER
HOWEVER
OTHERWISE
THEREFORE
Bob is handsome; moreover, he is rich.
Clause 1
Independent

Clause 2
Independent
Bob is handsome; moreover, he is rich.

Note: Semicolon before conjunctive
adverb and comma after conjunctive adverb!
Conjunctive Adverbs “float”
Conjunctive adverbs are sometimes called

“floating” adverbs because they can be
positioned at the beginning, in the middle, or at
the end of a clause.
Bob is handsome; moreover, he is rich.
Bob is handsome; he is, moreover, rich.
Bob is handsome; he is, moreover, rich.

Note: Place commas before and
after a conjunctive adverb
in the middle!
Bob is handsome; he is rich, moreover.
Bob is handsome; he is rich, moreover.

Note: Place a comma before
a conjunctive adverb
at the end!
Semicolons
“If the relation between the ideas expressed in

the main clauses is very close and obvious
without a conjunction, you can separate the
clauses with a semicolon” (Little, Brown
Handbook, 9th Edition, p. 361).
Matt has benefited from his exercise
program; he is slim and energetic.
SUBJECT

PREDICATE
even though

SUBJECT

PREDICATE
Bob

is popular
even though

he

is ugly.
EVEN THOUGH
WHEN
ADVERB CLAUSES

BECAUSE
UNLESS
WHEREAS
Bob is popular even though he is ugly.
Clause 1

Clause 2

Independent

Dependent
Even though Bob is ugly, he is popular.
Clause 1
Dependent

Clause 2
Independent
Bob is popular even though he is ugly.

When the MAIN clause is first,
it is usually NOT
followed by a comma!
Even though Bob is ugly, he is popular.

When the ADVERB clause is first,
it is followed by a comma!
Mike

is popular
because

he

is good looking,
but

he

is not very happy.
Mike is popular because he is good
looking, but he is not very happy.

Punctuate each clause
according to its rules!
SIMPLE SENTENCE

My friends and I play tennis and go bowling
every weekend.

No commas before “and” in
compound subjects and predicates!
COMPOUND SENTENCE:
Coordinating Conjunction

Men may exercise harder, but they may not
exercise as regularly as women do.

Comma before coordinating
conjunction!
COMPOUND SENTENCE:
Conjunctive Adverb
Native and nonnative English speakers have
different needs; however, some schools fail to
distinguish between these groups.

Semicolon before conjunctive
adverb
Comma after conjunctive
adverb!
COMPOUND SENTENCE:
Conjunctive Adverb--in the middle
Native and nonnative English speakers have
different needs; some schools, however, fail to
distinguish between these groups.

Semicolon after first
independent clause-Commas before and after conjunctive
adverb!
COMPOUND SENTENCE:
Conjunctive Adverb at the end
Native and nonnative English speakers have
different needs; some schools fail to distinguish
between these groups, however.

Semicolon after first
independent clause-Comma before conjunctive
adverb!
COMPLEX SENTENCE:
Adverb Clauses--Subordinating
Conjunction

People had continuous moderate
exercise when they had to hunt for food.

When main clause is first,
it is not usually followed by a comma!
COMPLEX SENTENCE:
Adverb Clauses--Subordinating
Conjunction

When people had to hunt for food, they had
continuous moderate exercise.

When the adverb clause is first,
it is followed by a comma!
Writing Academic English, Second Edition, by Alice
Oshima and Ann Hogue. White Plains: Addison,
Wesley, Longman, 1999.
The Little, Brown Handbook, by H. Ramsey Fowler and
Jane E. Aaron, Pearson, 2004.

Sentence structure