Sure! Here are the suggested tag questions for the statements in exercise 4:

1. She is collecting stickers, **isn't she?**
2. We often watch TV in the afternoon, **don't we?**
3. You have cleaned your bike, **haven't you?**
4. John and Max don’t like Maths, **do they?**
5. Peter played handball yesterday, **didn't he?**
6. Mary didn’t bring home from school, **did she?**
7. He could have done his homework last Monday, **couldn't he?**
8. Kevin will come tonight, **won't he?**
9. I'm clever, **aren't I?**
10. He's not coming, **is he?**
11. The bank lent him the money, **didn't they?**
12. You shouldn't do that, **should you?**
13. It's okay to take sugar in coffee, **isn't it?**
14. She looks tired, **doesn't she?**
15. There's a cinema near the station, **isn't there?**
16. He arrived late, **didn't he?**
17. Nobody has arrived yet, **have they?**
18. It's time to go, **isn't it?**
19. I'm right, **aren't I?**
20. You had seen it before, **hadn't you?**
21. Everybody looked so miserable, **didn't they?**
22. You wouldn't do that, **would you?**
23. He'll be there, **won't he?**
24. Everybody will be there, **won't they?**
25. She's had too much to do lately, **hasn't she?**
26. It won't happen, **will it?**
27. They should be here soon, **shouldn't they?**
28. I'm not intruding, **am I?**
29. Nobody's got to leave early, **have they?**
30. That dog’s very noisy, **isn't it?**
31. You have got to arrive before half past eight, **haven't you?**
32. They took it, **didn't they?**
33. That's the shop where you used to work, **isn't it?**
34. The book's a best-seller, **isn't it?**
35. You haven't got a sister, **have you?**
36. I'm in trouble, **aren't I?**
37. You would tell me if you knew, **wouldn't you?**
38. You'd rather not tell me, **would you?**
39. Lima is the capital of Peru, **isn't it?**
40. He'd better try harder, **hadn't he?**
41. There's nothing on TV tonight, **is there?**
42. That's the guy who was on TV the other night, **isn't it?**
43. That's the guy that won the pools, **isn't it?**
44. She won't be here for another hour, **will she?**
45. Mr. McGuinness is from Ireland, **isn't he?**
46. The car isn't in the garage, **is it?**

Feel free to reach out if you need further assistance!