Clauses & Complex Sentences

Is the following sentence simple or compound?

Earth is not the only planet with volcanoes.

• Simple

• Compound

Is the following sentence simple or compound?

It is called the Cascade Range, and it includes Mount Saint Helens.

• Simple

• Compound

Is the underlined portion of the sentence below a main clause or a subordinate clause?

Damian felt responsible for the missing book though it was not his fault.

• Main

• Subordinate

Is the underlined portion of the sentence below a main clause or a subordinate clause?

If our team wins, everyone will celebrate.

• Main

• Subordinate

Is the underlined portion of the sentence below a main clause or a subordinate clause?

The police did not arrive until the thieves had left.

• Main

• Subordinate

Is the underlined portion of the sentence below a main clause or a subordinate clause?

You can order whatever you want from the menu.

• Main

• Subordinate

Is the underlined portion of the sentence below a main clause or a subordinate clause?

The pool will be cleaned when spring comes.

• Main

• Subordinate

Is the underlined portion of the sentence below a main clause or a subordinate clause?

The mountain climber checked her equipment before she started up the slope.

• Main

• Subordinate

Identify the adjective clause in the following sentence.

Samantha, who is the star of the play, is signing autographs.

• is signing autographs

• who is the star of the play

Identify the adjective clause in the following sentence.

Scientists explore rain forest canopies, where many species live.

• where many species live

• explore rain forest canopies