She said peter and sue had been friends for 5 years

`->` She said that

`\color{#145277}{N}\color{#246483}{a}\color{#34768F} {e}\color{#44889B}{u}\color{#539AA7}{n}`

`=>` She said that Peter and Sue had been friends for 5 years.

`@` S + said that + S' + V(lùi thì)

`-` Thì QKHT : S + had + V3/ed (trong câu tường thuật thì giữ nguyên thì QKHT)

Đáp án: She said that Peter and Sue had been friends for 5 years.

- Cấu trúc câu tường thuật dạng câu kể:

S+ say(s)/said/told+ (that) + S + V-lùi thì

* Nếu thì của câu trực tiếp là QKHT thì khi chuyển sang câu gián tiếp vẫn giữ nguyên thì QKHT