What does Word use to mark potential grammatical errors? 1. blue double underline 2. orange underline 3. green wavy underline 4. red wavy underline

Breakdown of the Problem

To answer the question, we need to identify the color-coded underlines used by Microsoft Word to indicate different types of grammatical or typo errors.

Relevant Concepts

Microsoft Word uses different colors to highlight specific issues in text:

1. Red wavy underline: Typically indicates spelling errors.
2. Green wavy underline: Usually marks grammatical errors.
3. Blue double underline: Often used for stylistic suggestions or errors.
4. Orange underline: Not commonly recognized in standard use by Microsoft Word for error marking.

Analysis and Detail

• Red wavy underline indicates spelling mistakes, for instance, a misspelled word.
• Green wavy underline marks grammar errors such as subject-verb agreement issues.
• Blue double underline is used for other grammatical issues or stylistic choices.
• Orange underline is not standard for indicating grammatical errors; Microsoft Word does not use it for this purpose.

Verify and Summarize

By clarifying the functions of each underlining color in Microsoft Word, we conclude that the green wavy underline is specifically noted for marking potential grammatical errors.

Final Answer

The correct answer is 3. green wavy underline.