正规语体和非正规语体v在英语写作中，我们不仅要留意语法能否正确，词汇能否恰当，更应该留意语体能否得体appropriate。普通来说，书面语比较正规formal，而口语比较随意casual。因此，在英语写作中，要用正规的书面语。一、句子构造v1. 用被动语态vInformal: Please answer this question.vFormal: The students are requested to answer this question.2. 用分词的独立构造vInformal: Since the weather had improved, we decided to go swimming.vFormal: The weather having improved, we decided to go swimming.3. 用名词化的动词vInformal: The doctor arrived early. This pleased the nurse.vFormal: The doctors early arrival pleased the nurse.vInformal: The patient behaved abnormally. This worried the nurse.vFormal: The patients abnormal behavior worried the nurse.vInformal: The doctor perfected the operation rapidly. This astonished his colleagues.vFormal: The doctors rapid perfection of the operation astonished his colleagues.v4. 在正规语体中常用介词短语而在非正规语体中常用副词vInformal: John spoke confidently.vFormal: John spoke with confidence.5. 用动名词短语vInformal: The doctor insisted repeatedly on a strict diet. The patient was disturbed by this.vFormal: The patient was disturbed by the doctors insisting repeatedly on a strict diet.二、词汇v1. 正规语体中很少用缩写和简写(contraction)vInformal: Id like to get that job youve got in the newspaper.vFormal: I would like to apply for the job advertised in the newspaper.vInformal: The furniture store has an ad in the newspaper of a special sale.vFormal: The furniture store had an advertisement in the newspaper of a special sale.v2. 正规语体中很少用动词词组(phrasal verb)vInformal: I cant put pup with your rudeness any more.vFormal: I cannot tolerate your rudeness any more.vInformal: You mustnt be put out by the train delay.vFormal: You must not be provoked by the train delay.v3. 正规语体中很少用来源于Anglo Saxon的词汇，而广泛运用来源于法语、拉丁语和希腊语的词汇vInformal: I havent been able to get that record anywhere.vFormal: I have not been able to obtain that record anywhere.vInformal: The royal train left the capital at 12.vFormal: The royal train departed from the capital at 12.v4、在正规语体中尽量防止性别词汇vInformal: Every applicant wants to know how much he will make.vFormal: All applicants want to know how much they will make.vInformal: After the nursing student graduates, she must face a difficult state board exam.vFormal: After the nursing student graduates, he or she must face a difficult state board examination.