Guide to negative structures in English for English language learners including numerous examples and comparable forms such as not anywhere or nowhere.
Contractions (Grammar)
Grammar, Present perfect
PDF] An investigation into the syntactic features and the uses of
Negative Structures in English
Practical English Usage 3ed - Michael Swan, Oxford
274 Negatives English ESL worksheets pdf & doc
Practical English Usage 3ed - Michael Swan, Oxford
An Empirical Study on the Attrition Sequence of English Interrogative Structures in Chinese Context
Morpheme studies and scond language acquisition - ppt video online download
Structure of Simple Past Tense - English Study Page
BLP Training BLP A-Z of Learning English: N for No - BLP Training
Using Negative Structures in English: A Guide to Negative Adverbials, Questions, Infinitives and -Ing Forms