以下是大学英语四级翻译中常见的30个句型：

1. It is said that...
2. as many/much...as
3. 倍数词+as+形容词+as
4. 倍数词+more+名词/形容词+than
5. (not) as/so...as
6. no more...than
7. Nothing is more...than
8. 感官动词+of+名词
9. without/not so much as
10. may/might as well...as
11. rather than
12. not...until
13. so/such...that
14. (The) chances are that
15. It occurred to sb. that
16. not...but...
17. not only...but also
18. (either)...or...
19. no sooner than/hardly when/scarcely when
20. the more...the more
21. It is taken for granted that
22. It is+形容词+that
23. It is+形容词+to do/doing
24. 祈使句/名词+and/or
25. 主语+谓语+宾语结构
26. 主语+谓语+间接宾语+直接宾语结构
27. 主语+系动词+表语结构
28. 主语+系动词+宾语结构
29. 被动语态
30. It作先行主语和先行宾语

这些句型在四级翻译中频繁出现，掌握它们有助于提高翻译水平。