Grammar
0. Introduction
0.1 This study: purpose, source of data and statistical results
0.2 The background: the problem of describing and classifying learners errors
[In the following, the number in each category represents the frequency of occurrence of errors in that category, expressed as a percentage of the total number of errors in all categories (1-8), rounded off to the nearest whole number. + means that errors in this category amount to less than .5%.]
1. The noun phrase 31
1.1 Generic reference 5
1.2 Specific reference 5
1.2.3 One vs. a(n) +
1.2.4 Which vs. what +
1.2.5 This/that vs. these/those 1
1.3 Unique reference 1
1.4 Count and mass nouns 5
1.4.1 Mass nouns and the plural, a(n) 4
1.5 Adjectives as noun phrase heads 1
1.5.2 Ellipsis of noun phrase head +
1.6 Possessive and genitive expressions 3
1.6.2 Own 1
1.6.3 Inanimate nouns and -s genitive +
1.6.4 Pronouns and of genitive +
1.7 Quantifiers 2
1.7.1 Last few, next few 1
1.7.2 Some in time adverbials 1
1.8 Predeterminers 1
1.8.1 Position of predeterminers +
1.8.2 All with temporal nouns +
1.9 Other premodifiers 2
1.9.1 Noun modifying -ing participle +
1.9.2 -ing participle modifying noun 1
1.9.3 Order of adjectives before noun +
1.9.4 Plural noun as premodifier +
1.9.5 Addresses +
1.10 Postmodifiers 5
1.10.2 Infinitive introduced by wh- word 1
1.10.5 Being introducing relative clause +
1.10.6 Relative pronouns 1
1.10.7 Position of postmodifier +
1.10.8 Omission of relative pronoun +
1.11 Noun clauses 1
1.11.1 Infinitive vs. participle +
2. The verb phrase 26
2.1 Future and present 2
2.2 Past and present 2
2.2.1 Past vs. present 2
2.2.2 Back-shifting +
2.3 Progressive 3
2.3.4 Progressive with adverbs expressing continuous activity +
2.3.5 Progressive as time-frame +
2.4 Perfective 8
2.4.2 Perfective and indefinite past 3
2.4.3 Past perfect 1
2.5 Conditional sentences 4
2.5.1 Real conditions 1
2.5.2 Unreal conditions 2
2.5.3 Understood if clauses 1
2.6 Modal and auxiliary verbs 2
2.6.1 Shall +
2.6.2 Should +
2.6.3 Must 1
2.6.4 have (got) to +
2.6.5 Will +
2.6.6 Omission of auxiliary verb +
2.7 Be to + infinitive 2
2.7.3 Be to + infinitive in if clauses +
2.8 Subjunctive +
2.9 Formation of past tense and past participle 1
2.10 Subject-verb agreement 2
3. Complementation 9
3.1 Verbs not allowing infinitive objects 3
3.2 Verbs not allowing -ing participle objects 1
3.3 Verbs not allowing finite clause objects 1
3.4 Intransitive and transitive verbs 1
3.5 Misuse and omission of to 1
3.6 Omission of infinitive subject 1
3.7 Malformation of infinitive subject +
3.8 Position of infinitive clause subject +
3.9 Position of complement 1
3.10 Time reference of perfect infinitive object +
3.11 Like + infinitive vs. participle +
3.12 Adjectives not allowing infinitive postmodifier +
3.13 Adjectives not allowing modification by passive infinitives +
4. The prepositional phrase 18
4.1 That clauses and infinitives as prepositional complements 1
5. Pronouns and other pro-forms 3
5.1 Reflexive pronouns +
5.2 How vs. what +
5.3 Such +
5.4 So +
5.5 Or so +
5.6 Do the same +
5.7 Formulaic questions +
6. Negation and non-assertion 3
6.1 Non-assertive forms after negative words 2
7. Comparison 2
7.1 Comparison of non-equivalent items +
7.2 Comparison of equivalent items 1
7.3 Enough and too +
7.4 Another +
7.5 Such vs. so +
8. Adverbials 8
8.1 -ly as adverb suffix 2
8.2 -]y as adjective suffix +
8.3 Initial negative adverbs and inversion 1
8.4 Misuse of various adverbs 1
8.5 Position of various adverbs 3
8.6 Infinitive clauses as adverbials +
9. Conclusion