Subjects and Predicates

who or what the sentence is about

a verb that tells what the subject is doing, what is done to the subject or what the condition of the subject is (state of being)

True or False? Simple means more than one.

True or False? Compound means more than one.

Identify the simple subject of this sentence: David worked feverishly in the science lab.

Does this sentence have a simple or compound subject: Clouds of smoke filled the air.

Identify the simple subject of this sentence: Late into the evening hours, he carefully mixed hazardous chemicals.

Does this sentence have a simple or compound subject: He loved taking risks in his field of study.

Identify the simple predicate of this sentence: A chalky mist swirled over his beaker.

Identify the simple subject of this sentence: Through it all, David believed in the importance of his work.