Correct option is D
Option (d) is correct. Both given sentences are grammatically incorrect.
· In sentence I: “didn’t got” is wrong because “didn’t” already implies past tense, so the verb should be in base form:
“get” instead of
“got”.
· In sentence II: The verb structure “didn’t got” is still wrong and “I am to read this” is awkward and overly formal; also contextually mismatched.
Correct form: “I have to read this so that I don’t get this speech wrong.”
Grammatical rule used:
· After “didn’t” (past auxiliary), the main verb must be in base form.
· “I have to” is the proper usage for present necessity or obligation.
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Information Booster:
In negative past tense constructions, avoid using the past form of the verb after "didn't".