${85.}$ They said they were going to the drugstore.

${86.}$ He said the doctor had given him some pills.

${87.}$ She said that she went to the supermarket every day.

${88.}$ He said he had received the envelope.

${89.}$ They said they had invited Canney Row.

${90.}$ She said she felt very sick.

${91.}$ He said he had bought some popcorn.

${92.}$ They said they were flying to California.

${93.}$ He said he was cutting off the main valve.

* câu gián tiếp: S + said (that) + S + V(lùi thì)

* Một số thì của động từ lùi thì:

- HTĐ → QKĐ

- HTTD → QKTD

- HTHT → QKHT

- HTHTTD → QKHTTD

- QKĐ → QKHT 

- QKTD → QKHTTD

- can/ will/ shall/ may/ must + V0 → could/ would/ should/ might/ had to + V0

`85.` They said they were going to the drugstore.

- Be going to `->` was/were going to V

`86.` He said the doctor had given him some pills.

- Thì QKD `->` QKHT

`87.` She said that she went to the supermarket every day.

- Thì HTD `->` QKD

`88.` He said he had received the envelope.

- HTHT `->` QKHT

`89.` They said they had invited Canney Row.

- QKD `->` QKHT

`90.` She said she felt very sick.

- HTD `->` QKD

`91.` He said he had bought some popcorn.

- QKD `->` QKHT

`92.` They said they were flying to California.

- HTTD `->` QKTD

93.` He said he was cutting off the main valve.

- HTTD `->` QKTD

- Cấu trúc: S + say(s) / said hoặc tell / told + (that) + S + V