Lie and Lay, Set and Sit
Lie and Lay
A pair of easily confusable verbs is lie and lay. Lie is an intransitive verb that does not take a direct object, whereas lay is a transitive verb that takes a direct object.
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Set and Sit
Another pair of easily confusable verbs is set and sit. Set is a transitive verb that takes a direct object whereas sit is an intransitive verb that does not take a direct object. Both verbs are irregular with past-tense and past-participle forms set-set and sat-sat respectively.