1. Recognizing and understanding different kinds of phrases and determining their head noun
2. Recognizing and understanding different kinds of clauses and determining their grammatical function
3. Recognizing the main sentence in a complex sentence and consequently failing to recognize the main verb of the sentence
4. Retrieving the omitted parts of a sentence (where ellipsis occurs)
5. Recognizing the role of conjunctive adverbs
6. Recognizing the reference of the pronouns
7. Recognizing and understanding the tense of the verb
8. Recognizing two-part verbs
9. Understanding the reversed parts
10. Understanding the passive sentences
11. Lack of knowledge of Phrase breaking/ chunking/ clustering
12. Recognizing the idiomatic expressions and phrasal verbs
13. Lack of knowledge of collocations
14. False generalizations or stereotyping about words with similar spelling or pronunciation