1. Lesson 6: Compound Sentences

2. Lesson 6: Compound Sentences
All of the sentences we have studied so far have been SIMPLE SENTENCES. A simple sentence has one complete subject and one complete predicate AND it expresses a COMPLETE THOUGHT! EX. Monarch butterflies are interesting insects.

3. Lesson 6: Compound Sentences
Sometimes two simple sentences are combined to form a compound sentence. Pairs of simple sentences are joined by a comma and a connecting word. Those connecting words are called conjunctions. These conjunctions are and, but, and or.

4. Lesson 6: Compound Sentences
Simple: Butterflies are interesting. Simple: I study them in school. Compound: Butterflies are interesting, and I study them in school. Simple: I find monarchs in the summer. Simple: In the fall they disappear. Compound: I find monarchs in the summer, but in the fall they disappear. Simple: Did the butterflies die? Did they fly away? Compound: Did the butterflies die, or did they fly away?

5. Guided Practice I study butterflies, but my sister studies birds.
Directions: Tell whether each sentence is simple or compound.
I study butterflies, but my sister studies birds.
I caught a monarch butterfly, and it had a tag.
The tag was tiny, but I read its message.
The tag gave the address of a Canadian professor.
I could write, or I could telephone her.
The professor studied monarchs and their habits.
compound
compound
compound
simple
compound
simple