Giúp mình với nha iuuuu

${85.}$ 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