Question at position 47 I Question Blank 1 of 1[input] (know) the answer yesterday in math class.

Question

Question at position 47 I  Question Blank 1 of 1[input] (know) the answer yesterday in math class.

BlackTom AI · Accepted Answer

The question presents a fill-in-the-blank style prompt: "Question at position 47 I  Question Blank 1 of 1[input] (know) the answer yesterday in math class." In short-answer formats, the task is to supply the correct verb form to complete the sentence.

There are no answer options provided to evaluate, so we cannot compare multiple choices. The given answer field contains: ["knew"]. This indicates the expected completion is the past tense form of the verb "know".

Why "knew" fits:
- The sentence includes the word "yesterday," which signals a past time reference. English tense consistency requires the past tense here.
- The base verb is "know." When referring to a definite event in the past (yesterday), the simple past tense "knew" is appropriate: I knew the answer yesterday in math class.

Why other verb forms would be incorrect in this context:
- "know" would refer to present tense, which contradicts the time expression "yesterday." For example, "I know the answer yesterday" sounds ungrammatical.
- Any other form like "knows" (third person singular present) or "knew" vs. "known" (participle) would not align with standard past-tense sentence structure in this subject–verb construction.
- If someone tried to use a perfect form like "have known" or "had known" without additional context, the sentence would need a different temporal cue (e.g., "by yesterday I had known"), which is unusual and unnecessary here.

In summary, given the time reference (yesterday) and the base verb (know), the past tense "knew" is the correct completion for a simple past statement. Since no alternative options were supplied in the prompt, this reasoning applies to validating the supplied answer within the typical English tense rules for simple past narration.

Question at position 47 I Question Blank 1 of 1[input] (know) the answer yesterday in math class.

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