1. Compound and Complex Sentences
Grammar
Compound and Complex Sentences

2. Compound and Complex Sentences
The climate is hot, and rain falls nearly every day.
This sentence is a compound sentence. It has two simple sentences joined by a comma and a conjunction.

3. Compound and Complex Sentences
As the world’s population gets larger, more food and building materials are needed.
This sentence is a complex sentence. It has an independent clause and a dependent clause.

4. Compound and Complex Sentences
A simple sentence has a complete subject and a complete predicate.
The rain forest is disappearing.

5. Compound and Complex Sentences
A compound sentence has two or more simple sentences joined by a comma and a conjunction such as and, but, or or.
The rain forest is disappearing, and many of its plants and animals are disappearing too.

6. Compound and Complex Sentences
A complex sentence has one independent clause and one or more dependent clauses.
The rain forest is disappearing because people cut down too many trees.

7. Compound and Complex Sentences
A compound-complex sentence has more than one independent clause and at least one dependent clause.
Because people cut down too many trees, the rainforest is disappearing, and many of its plants and animals are disappearing too.

8. Compound and Complex Sentences Identify each sentence as simple, compound, complex, or compound-complex.
Because they have leaves year-round, tropical rain forest trees are evergreen trees.
complex
The trees grow tall and close together.
simple

9. Compound and Complex Sentences Identify each sentence as simple, compound, complex, or compound-complex.
The largest area of rain forest is the Amazon rain forest in the Amazon River basin.
simple

10. Compound and Complex Sentences Identify each sentence as simple, compound, complex, or compound-complex.
Although you may find this surprising, there are tropical rain forests in Australia.
complex
The toucan has brightly colored feathers and a long, colorful bill.
simple

11. Compound and Complex Sentences Identify each sentence as simple, compound, complex, or compound-complex.
The forest ranger warned the hikers, but they did not listen.
compound
David wanted a camera, and he was determined to buy one when he had the money.
compound-complex

12. Compound and Complex Sentences Identify each sentence as simple, compound, complex, or compound-complex.
After breakfast, the clouds thickened, and a heavy rain fell on the campers.
compound
Do you like hot, humid weather?
simple

13. Compound and Complex Sentences Identify each sentence as simple, compound, complex, or compound-complex.
Trees in cloud forests are shorter, and they are deciduous.
compound
Whenever she can, Paula wakes before sunrise.
complex

14. Compound and Complex Sentences Identify each sentence as simple, compound, complex, or compound-complex.
Cloud forests cover mountains in tropical regions.
simple

15. Compound and Complex Sentences Complete each compound sentence with the conjunction and, but, or or.
Rain forests are generally very wet, ____ deserts are generally very dry.
and (or but)
You can hike into the rain forests, ___ you can take a boat up the river.
or (or and)

16. Compound and Complex Sentences Complete each compound sentence with the conjunction and, but, or or.
The rain came down hard and fast, ____it did not last long.
but (or and)