(1) since句型:主句用完成时
例:My aunt has worked in a clinic since 1949.
(2) since when +完成时
例:Since when have you planted so many young trees?
从什么时候你种植了这么多小树的?
(3) This/it is the first (third...) time sb have/has done sth
This/it was the first (third...) time sb had done sth
例:This is the first time I have been here.这是我第一次到这儿。
(4) by…(到……为止)到过去某个时候为止用过去完成时,到现在为止
用现在完成时,到将来某个时候为止用将来完成时。
例:She will have finished the book by my next birthday.
到我下一个生日为止,我将完成那本书。
(5) in the past time( two days/years...) +完成时
例:In the past 10 years, there have been great changes in our family life.
在过去的十年里,我们的家庭生活发生了很大的变化。
(6) hardly ... when.... (no sooner ... than)句型用过去完成时
例:Hardly had I reached the school when the bell rang. 我一到学校,铃子就响了。
No sooner had we sat down at the table than the phone rang.
我们刚坐到桌子旁边电话就响了。
(7) 未实现的愿望打算等等用过去完成时
例:I had thought I could pass the final examination but I failed.
大学英语作文万能句式
引导语:善用一些常见句式,会让你文章看起来更加流畅,下面就来看看我为大家整理的大学英语作文常见句式吧。
1.完全不同的观点 a totally different argument
2.一些人 …而另外一些人 … Some people… while others…
3. 就我而言/ 就个人而言 As far as I am concerned, / Personally,
4.就…达到绝对的一致 reach an absolute consensus on…
5.有充分的理由支持 be supported by sound reasons
6.双方的论点 arguments on both sides
7.发挥着日益重要的作用 play an increasingly important role in…
8.对…必不可少 be indispensable to …
9.正如谚语所说 As the proverb goes:
10.…也不例外 …be no exception
11.经济的’快速发展 the rapid development of economy
12.人民生活水平的显著提高/ 稳步增长 the remarkable improvement/ steady growth of people’s living standard
13.先进的科学技术 advanced science and technology
14.面临新的机遇和挑战 be faced with new opportunities and challenges
15.人们普遍认为 It is commonly believed/ recognized that…
16.社会发展的必然结果 the inevitable result of social development
17.引起了广泛的公众关注arouse wide public concern/ draw public attention
18.不可否认 It is undeniable that…/ There is no denying that…
19.热烈的讨论/ 争论 a heated discussion/ debate
20. 有争议性的问题 a controversial issue
21.对…产生有利/不利的影响 exert positive/ negative effects on…
22.利远远大于弊 the advantages far outweigh the disadvantages.
23.导致,引起 lead to/ give rise to/ contribute to/ result in
24.复杂的社会现象 a complicated social phenomenon
25.责任感 / 成就感 sense of responsibility/ sense of achievement
26. 竞争与合作精神 sense of competition and cooperation
27. 开阔眼界 widen one’s horizon/ broaden one’s vision
28.学习知识和技能 acquire knowledge and skills
29.经济/心理负担 financial burden / psychological burden
30.考虑到诸多因素 take many factors into account/ consideration
31. 从另一个角度 from another perspective
32.做出共同努力 make joint efforts
33. 对…有益 be beneficial / conducive to…
34.为社会做贡献 make contributions to the society
35.打下坚实的基础 lay a solid foundation for…
36.综合素质 comprehensive quality
37.无可非议 blameless / beyond reproach
38.致力于/ 投身于 be commi