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Too, also, even, or as much as; marks inclusion, surprising quantity, or total negation.
Readings
"Too" / "Also" / "(Not) Either"
Indicates that the preceding noun shares the same property or action as another, equivalent to “too” or “also.”
Example
[A:] I like sushi. [B:] I like it, too.
"Both... and..." / "Neither... nor..."
Connects two or more items to show that a description applies equally to every item in the list.
"Nothing" / "No one" / "Nowhere"
Attaches to interrogative words in negative sentences to signify total negation, creating meanings like “nothing” or “nobody.”
"Even" / "As many as"
Follows a quantity or extent to express surprise, emphasizing that the amount is higher or more significant than expected.