$1.^{}$ is cooking

$\text{HTTD}$ $→^{}$ $(+)^{}$ S + is/am/are + V-ing

$2.^{}$ put

$-^{}$ Conditional Sentence Type $0^{}$ : If + S + V(s/es), S + V(s/es) 

$3.^{}$ were ... doing/were watching

$-^{}$ $\text{QKTD}$ when $\text{QKTD}$

$4.^{}$ is your cat washed

$-^{}$ Passive Voice $→^{}$ $(?)^{}$ Wh-question + is/am/are + S + P.P?

$5.^{}$ haven't finished

$\text{HTHT}$$→^{}$ $(-)^{}$ S + hasn't/haven't + P.P

$6.^{}$ was built 

$-^{}$ Passive Voice $→^{}$ S + was/were + P.P (Chủ ngữ The building $→^{}$ was)

$7.^{}$ will go

$-^{}$ Câu $\text{ĐK}$ loại $I^{}$ : If + S + V(s/es), S + will/can/should/... + V(inf)

$8.^{}$ will move

$-^{}$ $\text{HTD}$ when $\text{TLD}$

$\text{# Kanao}$ 

Đáp án bạn tham khảo ạ:

1. is working

2. will put

3. did you do

4. does your cat wash

5. haven't finished

6. was built

7. will go

8. had moved