四级英语作文常用七类句式:
1.表示变化
1）some changes have taken place in the past five years. 2）a great change will certainly be produced in the world’s communications. 3）the computer has brought about many changes in education. 例如：some changes have taken place in people’s diet in the past five years.the major reasons for these changes are not far to seek. nowadays，more and more people are switching from grain to meat for protein，and from fruit and vegetable to milk for vitamins.
2.表示事实、现状
1）we cannot ignore the fact that... 2）no one can deny the fact that... 3）there is no denying the fact that... 4）this is a phenomenon that many people are interested in. 5）however，that’s not the case. 例如：we cannot ignore the fact that industrialization brings with it the problems of pollution.to solve these problems，we can start by educating the public about the hazards of pollution.the government on its part should also design stricter laws to promote a cleaner environment.
3.表示比较
1）compared with a，b... 2）i prefer to read rather than watch tv. 3）there is a striking contrast between them. 例如：compared with cars，bicycles have several advantages besides being affordable.firstly，they do not consume natural resources of petroleum.secondly，they do not cause the pollution problem.last but not least， they contribute to people’s health by giving them due physical exercise.
4.表示数量
1）it has increased（decreased）from...to... 2）the population in this city has now increased（decreased）to 800，000. 3）the output of july in this factory increased by 15％compared with that of january. 例如： with the improvement of the living standard，the proportion of people’s income spent on food has decreased while that spent on education has increased.
5.表示看法
1）people have（take，adopt，assume）different attitudes towards sth. 2）people have different opinions on this problem. 3）people take different views of（on）the question. 4）some people believe that...others argue that... 例如： people have different attitudes towards failure.some believe that failure leads to success. every failure they experience translates into a greater chance of success at their renewed endeavor.however，others are easily discouraged by failures and put themselves into the category of losers. 注：一个段落有时很适宜以问句开始，考生应掌握这一写作方法。
6.表示结论
1）in short，it can be said that ... 2）it may be briefly summed up as follows. 3）from what has been mentioned above，we can come to the conclusion that ... 例如：from what has been mentioned above，we can come to the conclusion that examination is necessary，however，its method should be improved. 注：例句1可用于任何一个段落的结论句；例句3则多用文章结论段的第一句。
7.套语
1）it’s well known to us that ... 2）as is known to us，... 3）this is a topic that is being widely talked about. 4）from the graph（table，chart）listed above，it can be seen that ... 5）as aproverb says，“where there is a will，there is a way. 例如：as is well known to us，it is important for the students to know the world outside campus. the reason for this is obvious. nowadays，the society is changing and developing rapidly，and the campus is no longer an“ivory tower. as college students，we must get in touch with the world outside the campus. only in this way can we adapt ourselves to the society quickly after we graduate.
