摘要本文通过语料库机切的研究方法，讨论了中国高等院校的英语二语习得者在写作中使用不定式组合情况，我们统计带TO不定式在句子中的不同位置出现的频率统计数据，继而讨论了了造成这种频率分布的可能成因。本文使用了正则表达式的方法来匹配一个带标记的语料库，然后使用相关软件来计算相关不定式组合的情况。为了更好分析其特点，本文进行了一些必要的统计工作。通过本文我们发现在英语专业学生和非英语专业学生，他们在句子中使用不定式的情况存在差别。76656

Abstract This paper discusses about the infinitive colligations used by Chinese ESL college students, by using the machine cut method, we can calculate the frequency of each type of the presence of the TO infinitive in different places of a sentence, and followed by the discussion of the possible causes of this kind of distributions。 This paper employs the regular expressions to match the possible word tags in a tagged corpus。 Then we use the software to calculate the frequency of each type of the listed infinitive colligations, and in order to compare and find their features, this paper goes on doing some statistic works。 As a result, we find that there exist some differences between the English major students and the non-English ones。 

Key words: Infinitive, distribution, frequency, ESL，machine-cut，Corpus

毕业论文关键词：不定式，分布，频率，英语二语习得者，机切，语料库

Contents

The Distribution of TO Infinitives Chinese ESL College Learners Use in Written English 1

An empirical study based on the corpus 1

1 Introduction 5

2 Research principle 5

3 SWECCL 2。0 Corpus 6

4 The research design 6

The tagged words of the SWECCL 6

The regular expression 7

5 Calculating results 9

The general scopes of the two corpuses 9

The comparison of the IAS 11

The comparison of VI 12

The comparison of NI 12

The comparison of AI 13

The comparison of INGI 13

The comparison of EDI 14

The comparison of ADI 15

Total frequency comparison 15

6 Discussion 17

The effect L1 on the students’ performance of L2 17

Tests-based teaching and learning mode of ESL for Chinese students 19

The effect reference books or learning materials have on ESL learners 20

Prefabricated chunks 21

7 Teaching implication 21

Micro L2 writing strategies 21

Overcoming semantic fossilization 22

Formulaic Language 23