Subject of the sentence:
- The subject of a sentence is the person, place, thing, or idea that the sentence is about or the doer of the action in a sentence.
In the sentence "I promised Miguel that his DVDs would be returned to the rental store by midnight":
- "I" is the subject of the sentence because it is the person (the speaker) performing the action of promising.
- "I" is the doer of the action in the sentence.
Therefore, the subject of the sentence is "I."
