常见关键词后置分四种情况，分别为：前置定语，后置定语，主谓宾与从句。
1. 前置定语结构
前置定语在考题中出现的形式为“n. ______” 和 “adj. _______”, 即在填空前出现名词或形容词的关键词。
在录音中则经常通过修辞结构和句子结构的改变，将关键词后置。
例1：Cambridge 6 Test 2 Section 3 Question 21
--Read IT ___________.
录音：look through catalogues specialised in IT.
解析：通过修辞结构的改变，把名词前置定语变成分词后置定语，完成关键词后置。
例2：Cambridge 5 Test 3 Section 3 Question 30
--Excellent ___________.
录音：F: OK, any other comments?
M: I thought student support was excellent.
解析：通过句子结构的改变，完成关键词后置。
例3：Cambridge 6 Test 1 Section 3 Question 24
--Reduced ___________ for students.
录音：students pay an annual fee that’s much less than the general public pay.
解析：通过修辞结构的改变，把形容词前置定语变成从句后置定语，完成关键词后置，同时伴随reduced的同意转换。
2. 后置定语结构
后置定语在考题中出现的形式为“n. prep. ______” 和 “n. p. _______”, 即在填空前出现关键词如“名词－介词（如of, for, about, in, on, etc.）”或“名词－分词”。
在录音中则经常通过修辞结构和句子结构的改变，将名词关键词后置。
例1：Cambridge 6 Test 4 Section 2 Question 15
--Will explain about arrangement for ______________ and fire exits.
录音：He will also go through the security arrangement with you and show you the fire exits.
解析：通过修辞结构的改变，把介词短语后置定语变成名词前置定语，完成关键词后置。
例2：Cambridge 6 Test 2 Section 3 Question 22
--Spoken to Jane Prince
Head of the _____________.
录音：F: Jane Prince, do you know her? She’s in the Computer Centre.
M: Yes, of course, she is the new head.
解析：通过句子结构的改变，完成关键词后置。
例3： Cambridge 6 Test 1 Section 4 Question 32
--New technology allowed the production of goods made of ________ and ________
录音：The technology they introduced meant that metal and leather goods were produced there for the first time.
