Identify the type of adverb in the following sentence:For a time, they hoped that he would come back.

Identification of Adverb Type

1. Break Down the Problem
   In the provided sentence, we need to analyze the role of the word "For a time" to identify its type.

2. Relevant Concepts
   Adverbs can be classified into several types:

   • Adverb of Time: Indicates when something happens.
   • Adverb of Manner: Describes how something is done.
   • Adverb of Place: Indicates where something happens.
   • Adverb of Frequency: Describes how often something occurs.
   • Adverb of Degree: Indicates the intensity or degree of an action or quality.

3. Analysis and Detail

   • The phrase "For a time" is primarily indicating a period during which the action of hoping occurred. This suggests that it refers to a specific duration related to the action expressed in the sentence (hoping).

4. Verify and Summarize
   Since "For a time" explains when they were hoping for his return, it confirms that it functions as an Adverb of Time.

Final Answer

The type of adverb in the sentence is an Adverb of Time.