8) Choose the adverb clause in the sentence. After I arrived at school I realized that I had left my biology report at home. at home that I had left my biology report After I arrived at school I realized that

## Step 1<br />An adverb clause is a group of words that functions as an adverb in a sentence. It provides information about when, where, why, or how of the main clause. It is usually introduced by a subordinating conjunction such as "after", "when", "because", "if", etc.<br /><br />## Step 2<br />In the sentence "After I arrived at school I realized that I had left my biology report at home", we need to identify the clause that provides additional information about the main clause.<br /><br />## Step 3<br />The clause "After I arrived at school" is providing information about when the speaker realized that they had left their biology report at home. This clause is introduced by the subordinating conjunction "after", which is a characteristic of an adverb clause.