Select the word or phrase that makes the following sentence grammatically correct: Why did we __________ try so hard?

Rationale

have to

The phrase "have to" correctly completes the sentence by indicating an obligation or necessity in the present context. This construction aligns with the auxiliary verb usage required for forming questions in the present tense.

A (has to) YOUR ANSWER

The phrase "has to" is grammatically incorrect in this sentence because it is singular and should correspond with a singular subject. The subject "we" is plural, making "has to" incompatible.

B (Haven't) YOUR ANSWER

The word "haven't" is a contraction for "have not," which does not fit the context of the sentence. The sentence structure requires a phrase that conveys obligation rather than negation, thus rendering "haven't" inappropriate here.

C (had to) YOUR ANSWER

The phrase "had to" implies past obligation, which does not match the present context of the sentence. Since the question is asking about a current situation, using "had to" would incorrectly shift the time frame to the past.

D (have to) CORRECT

The phrase "have to" appropriately indicates a present obligation, making it the correct choice. It effectively conveys the necessity of trying hard, aligning perfectly with the plural subject "we."

Conclusion

In this sentence, the correct phrase to use is "have to," as it accurately reflects a present obligation associated with the plural subject "we." The other options fail to fit grammatically or contextually, highlighting the importance of subject-verb agreement and tense consistency in English grammar.

Select the word or phrase that makes the following sentence grammatically correct: Why did we __________ try so hard?

have to

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