21. Stop talking or you will wake the children up. → If………………………………………..….…….
22. I lost her number, so I can't ring her up now. → If………………………………………..….……..
23. Mary got lost because she didn't have a map.→ If …………………………………….……..…….……
24. Linda felt sick because she ate lots of cakes.→ If………………………………………..….…….
25. June is so fat because he eats so many chips.→ If………………………………………..….…….
26. He does not work slowly enough, so he makes many mistakes.→ If………………………………………..….…….
27. Let me alone or I'll call the police→ If………………………………………..….…….
21. Stop talking or you will wake the children up.
→ If……you don't stop talking, you will wake the children up.…………………………………..….…….
22. I lost her number, so I can't ring her up now.
→ If……I hadn't lost her number, I could ring her up now…………………………………..….……..
23. Mary got lost because she didn't have a map.
→ If ………Mary had had a map, she wouldn't have got lost…………………………….……..…….……
24. Linda felt sick because she ate lots of cakes.
→ If……Linda hadn't eaten lots of cakes, she wouldn't have felt sick…………………………………..….…….
25. June is so fat because he eats so many chips.
→ If………June didn't eat so many chips, he wouldn't be fat………………………………..….…….
26. He does not work slowly enough, so he makes many mistakes.
→ If………he worked slowly enough, he wouldn't make many mistakes………………………………..….…….
27. Let me alone or I'll call the police
→ If……you don't let me alone, I'll call the police …………………………………..….…….