Question

Narration
a) Ramesh said," I went to school
yesterday​

Answer 1

Ramesh said that he went to school the day before.

Answer 2

Answer:

Ramesh said that he had gone to school the previous day.

Explanation:

Question:

Narration

a) Ramesh said,"I went to school yesterday"

Answer:

Ramesh said that he had gone to school the previous day.

*The given question is direct speech,declarative sentence.

*So we have to follow the declarative rules.

*Comma and quotation are removed and connective linker "that" is included.

*Past tense verb "went" is changed into past perfect tense "had gone"

*Adverb "yesterday" is changed into "the previous day"

*So the answer is,

Ramesh said that he had gone to school the previous day.