Informal: We should do more outdoor activities so as to enrich our life.
Formal: We should do more outdoor activities in order that our life gets enriched.
6. 很多考生不會(huì)使用由引導(dǎo)詞it引導(dǎo)的句子（如it is said that…)，實(shí)際上，這一結(jié)構(gòu)多見(jiàn)于正式文體，不用這一結(jié)構(gòu)而表達(dá)同一意義的句子多見(jiàn)于非正式文體：
Informal: The number of students in the classroom has been going down.
Formal: It has been noted with concern that the number of students attending class has been declining alarmingly.
7. 很多考生省略關(guān)系代詞、連詞、介詞，這些情況多見(jiàn)于非正式文體。
Informal: He flunked many courses. He had been expelled from the college.
Formal: He flunked so many courses that he had been expelled from the college.
Informal: He dealt with the problem the way his classmates does.
Formal: He dealt with the problem in the way his classmates does.
Informal: We should prevent it going from bad to worse.
Formal: We should prevent it from going from bad to worse.
8. 在表達(dá)“請(qǐng)求某人做某事時(shí)”，很多考生選擇使用具有非正式文體色彩的主動(dòng)語(yǔ)態(tài)句式，而沒(méi)有使用具有正式文體色彩的被動(dòng)語(yǔ)態(tài)句式。
Informal: Please communicate more with your friends and family.
Formal: More communication with your friends and family is needed.
9. 很多考生未能正確使用某些不定代詞、動(dòng)名詞的復(fù)合結(jié)構(gòu)，不太注意句子的主謂一致，未能體現(xiàn)文章的正式文體風(fēng)格。
Informal: Everybody should look after themselves.
Formal: Everybody should look after himself.
Informal: Everyone should do their best.
Formal: Everyone should do his best.
Informal: I’m not surprised at him failing the course.Formal: I am not surprised at his failing the course.
