Question

19.  Don’t tell anyone what I said.   
⇒ I’d rather you............………….........................................…. 
20. It is high time we went home. 
⇒ It is high time ………………………………………………......
21. You really should be able to dress yourself by now 
⇒ It’s high time ………………………………………………….. 
22. It is high time for you to go to school.  
⇒ It’s about ………………………………………………….. 

Answer 1

19.  Don’t tell anyone what I said.   
⇒ I’d rather you.....didn't tell anyone what I said.......………….........................................…. 
20. It is high time we went home. 
⇒ It is high time ……for us to go home…………………………………………......
21. You really should be able to dress yourself by now 
⇒ It’s high time ……you were able to dress yourself by now…………………………………………….. 
22. It is high time for you to go to school.  
⇒ It’s about ……time you went to school…………………………………………….. 

Answer 2

19. I'd rather you didn't tell anyone what I said.

21. It is high time you were able to dress yourself by now.

20. It's high time for us to go home.

22. It's about time you went to school.