15...the sun was shining brightly did the little girl wake up (đảo ngữ về chính khi có từ phủ định đứng đầu câu)
16... Tim what language he found the most difficult to learn of all
17... calling Tim because his phone...
18... the teacher has done his best...all students, none of them made...
19... not been for my father's money, I couldn't have run my business successfully
20... you read the report in detail will you be able to to find the answers (đảo ngữ vế chính khi có ONLY đứng đầu câu)
21. to see
22. working
23. to help
24. to be called
25. being elected
26. cleaning hoặc to be cleaned/ to clean
27. to be asked
28. being forced hoặc to be forced
29. being allowed
30. seeing
