一、开头句型

As far as I am concerned

就我而言

例：As far as I am concerned, the best way to solve this problem is...

It goes without saying that

不言而喻

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

It can be said with certainty that

可以肯定地说

例：It can be said with certainty that climate change is a global issue.

As the proverb says

正如谚语所说

例：As the proverb says, "A stitch in time saves nine."

It has to be noted that

需要注意

例：It has to be noted that...

*（常与"that"从句连用）*

二、论述与论证

因果关系

Because of/ Due to/ Owing to

例：Owing to the heavy traffic, we arrived 30 minutes late.

As a result of

例：As a result of the new policy, sales increased by 20%.

However/Nevertheless

例：However, the project faced unexpected challenges.

对比与转折

On the contrary

例：On the contrary to popular belief, cats are not always lazy.

While some people think... others believe that...

例：While some people think that technology is harmful, others believe it improves lives.

举例说明

Take...as an example

例：Take Apple Inc. as an example of a company that prioritizes innovation.

For instance

例：For instance, the city implemented a new traffic management system last year.

三、结论与总结

总结观点

In conclusion/ To sum up

例：In conclusion, the benefits of renewable energy outweigh the drawbacks.

All in all

例：All in all, education is the key to personal and professional development.

建议与展望

It is essential to...

例：It is essential to protect our environment for future generations.

Looking ahead

例：Looking ahead, we need to focus on sustainable growth.

四、其他实用表达

强调重要性

It is crucial that...

It plays a vital role in...

表达努力：

spare no effort to do sth.

go to great lengths to do sth.

固定搭配：

slow and steady wins the race.

A fall into the pit, a gain in your wit.

建议根据具体作文主题选择合适句型，并通过替换关键词进行灵活运用。写作时注意段落结构，开头引出观点，中间分点论述，结尾总结升华。