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cientific reference for the research design(Wei et al.2004).This study has two corpora:TECCL and NESSIE.After putting thesecorpus in corpus management in Antconc,the author contains a statistic consequenceabout the corpus capacity.The TECCL corpus contains nearly 1,817,743 words and theNESSIE corpus contains nearly 176,578 words.The words’number of the two corporacan tell the giant difference between them.

If the study uses the original data to retrieve the word frequency,the conclusionobtained by simple processing is inaccurate.This study applies the standardizedfrequency of statistics to get the most accurate conclusion.Thus the original data iscalculated according to Normalized Frequency.Because of the large amount of originaldata,the study takes per million words as the normalized frequency to balance andfacilitate research(Zeng 2018).So the calculation formula was:

Simultaneously,the study chooses the Log-likelihood ratio calculator to standardizethe frequency ratio.Then,it statistically analyzes whether there is a significant difference in using causative verbs between Chinese English learners and native Englishspeakers and discusses the LL-Value and Chi-square value to make sure of the degree ofdifference.

Chapter FiveConclusion

5.1 Major findings

This study is based on vocabulary teaching and hopes to bring new methods forEnglish teachers to teach words by semantic prosody research.This study discussedcausative verbs MAKE,GET,LET and RESULT IN in the TECCL and NESSIE corpora.Firstly,the author compared the frequency of four causative verbs used by ChineseEnglish learners and native English speakers.Secondly,through the research method ofnode word extraction,the author have obtained the classification and comparison of thesignificant collocation nouns of four causative verbs in TECCL and NESSIE and foundthe differences between Chinese English learners and native English speakers in termsof word collocation.Finally,the author used semantic prosody research method toobtain the retrieval lines of four causative verbs in two corpora.By analyzing thesemantic atmosphere of the surrounding nouns,the semantic prosody tendency of nodewords between Chinese English learners and native English speakers was obtained.

From words frequency perspective,it can be found from the frequency distributiontable that Chinese English learners and native English speakers have the same point:thehighest frequency of using MAKE is 5,641 times and 146 times respectively.However,it can also be seen from the table that native English speakers use LET the leastfrequently among all the words,while Chinese English learners use RESULT IN the least frequently among all the words.Furthermore,compared with other words,thelog-likelihood value of RESULT IN is-8.77.This negative value indicates that nativeEnglish speakers are actually more likely to use RESULT IN rather than LET incausative expressions.

reference(omitted)

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