表达原因句型是英语六级写作中必不可少的一种句型，下面请看精品学习网英语六级考试频道为大家总结的“六级作文句型中表示原因的句型总结(7种表达方式)”一文：
六级作文句型中表示原因的句型总结(7种表达方式)
1. A number of factors are accountable for this situation.
A number of factors might contribute to (lead to )(account& bspfor ) the phenomenon(problem).
2. The answer to this problem involves many factors.
3. The phenomenon mainly stems from the fact that...
4. The factors that contribute to this situation include...
5. The change in ...largely results from the fact&n spthat...
6. We may blame ...,but the real causes are...
7. Part of the explanations for it is that ...
One of the most common factors (causes ) is that ...
Another contributing factor (cause ) is ...
Perhaps the primary actor is that …
But the fundamental cause is that ...
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