請(qǐng)幫我指出下面三個(gè)句子里的語法錯(cuò)誤.
No matter direct quotation or indirect quotation,they are the lexicon choices of ithe author.whether to quote whose words and how to quote depend on the author's writing intention.
Besides,though the author has done a lot of preparations for analysis and been as cautious as possible to minimize the errors and subjectivity,there are inevitable some subjectivity in the process of analysis.
There may be different views on the topicality of discourse in other perspectives,such as syntax,cognition and so on.For the author's limited knowledge and insight,the current study only analyze from three aspects:information organization,pragmatics and semantics.