以下是英语作文中常用的百搭句型分类整理，结合了不同场景和写作需求，供参考：

一、开头引入类

1. As is often the case

   由于通常情况下……

   例：As is often the case, students find English challenging in the beginning.

2. It goes without saying that

   不言而喻，……

   例：It goes without saying that honesty is always the best policy.

3. What's more / What's most important

   ……；最重要的是，……

   例：What's more, effective communication skills are crucial in today's society.

二、观点表达类

1. I fully agree with

   我完全同意……

   例：I fully agree with the statement that practice makes perfect.

2. On the contrary

   相反，……

   例：On the contrary, some people believe that technology is detrimental to human health.

3. In my opinion / It's my belief that

   我认为……

   例：In my opinion, balancing work and life is essential for personal well-being.

三、因果分析类

1. Because of / Since

   因为……

   例：Because of the heavy traffic, we arrived 30 minutes late.

2. However / But

   ……

   例：But the problem is not so simple； we need to consider multiple factors.

3. As a result / Therefore

   ……

   例：As a result of the new policy, customer satisfaction has increased significantly.

四、结论总结类

1. In conclusion

   总结全文，重申观点。

   例：In conclusion, sustainable development is the only solution to environmental problems.

2. To sum up

   总结要点，强调核心内容。

   例：To sum up, the key to success lies in perseverance and innovation.

五、写作技巧补充

• 使用连接词 ：如 furthermore （此外）、 nevertheless （然而）、 therefore （因此）等，使文章逻辑更清晰。

• 引用权威 ：如 "Experience is the best teacher"（实践出真知）等经典语录，增强说服力。

• 注意语法 ：使用倒装句型（如 "Never put off until tomorrow"）可提升表达效果。

建议在写作中灵活运用这些句型，并结合具体语境调整。写作初期可先使用模板，熟练后尝试自由组合，逐步提升语言表达能力。