Which of the following statements about main ideas is false?

The implied main idea can be determined be determined by summarizing the paragraph in a single statement
The main idea may be the supporting details
The main idea may be stated in the topic sentence
The main idea is always found at the beginning of a paragraph

The false statement is: "The main idea is always found at the beginning of a paragraph."

The statement that is false is: The main idea is always found at the beginning of a paragraph.

To determine which statement is false, we need to analyze each statement individually:

1. The statement "The implied main idea can be determined by summarizing the paragraph in a single statement" is true. An implied main idea is not explicitly mentioned in the text but can be inferred by summarizing the key points of the paragraph.

2. The statement "The main idea may be the supporting details" is true. The main idea is often supported by specific details or evidence within a paragraph. These supporting details help to explain or provide evidence for the main idea.

3. The statement "The main idea may be stated in the topic sentence" is true. The main idea is commonly found in the topic sentence, which is typically located in the beginning or near the beginning of a paragraph. The topic sentence introduces the main idea and sets the tone for the rest of the paragraph.

4. The statement "The main idea is always found at the beginning of a paragraph" is false. While the main idea is often found at the beginning of a paragraph, it can also appear in other parts, such as the middle or end. The main idea should be consistently supported and developed throughout the paragraph.

In conclusion, the false statement is "The main idea is always found at the beginning of a paragraph."