Which of these are dependent clauses? Select the two correct answers

the post office is open

unless something better happens

the river cascaded over the rocks

when the teacher arrived

we will be going to a party on Friday

unless something better happens

when the teacher arrived

The two dependent clauses in the given options are:

1. unless something better happens
2. when the teacher arrived

To identify dependent clauses, we need to understand that a dependent clause is a group of words that cannot stand alone as a complete sentence. It relies on an independent clause to make complete sense. Let's analyze each option to determine if they are dependent clauses:

1. "The post office is open" - This sentence is an independent clause because it can stand alone as a complete sentence.

2. "Unless something better happens" - This is a dependent clause. It cannot stand alone because it starts with the subordinating conjunction "unless."

3. "The river cascaded over the rocks" - This sentence is an independent clause because it can stand alone as a complete sentence.

4. "When the teacher arrived" - This is a dependent clause. It cannot stand alone because it starts with the subordinating conjunction "when."

5. "We will be going to a party on Friday" - This sentence is an independent clause because it can stand alone as a complete sentence.

Therefore, the two dependent clauses in the given options are:
- "Unless something better happens"
- "When the teacher arrived"