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to warn
01
to tell someone in advance about a possible danger, problem, or unfavorable situation
Transitive: to warn sb of a danger or problem | to warn sb about a danger or problem
Grammatical Information
Composition
Simple
Action verb
Regular
Present tense
warn
3rd person singular
warns
Present participle
warning
Past simple
warned
Past participle
warned
Examples
The weather forecast warned residents of an approaching storm.
02
advise or counsel in terms of someone's behavior
Ditransitive: to warn sb to do sth | to warn sb against sth
Transitive: to warn against sth
Examples
The teacher warned the students not to plagiarize their assignments.
03
to inform or alert someone about something before it happens
Ditransitive: to warn sb that
Examples
The teacher warned the students that there would be a quiz the following day.
Lexical Tree
warner
warning
warning
warn
