1. inadditionto，besides和inadditionto的用法完全一样吗？
除了在句子中位置稍有不同，除此之外besides和in addition to用法是基本相同的。因为它们都表示“除了……之外还有”或者“另外还有”，都是表达同样的意思。需要注意的是，in addition to一般用在句子中间，besides则用在句首或者句尾。可以用一些例句来进一步了解它们的用法。翻译成中文的话，besides和in addition to可以翻译为“除了……之外还有”。在实际应用中需要根据语境和句子结构灵活运用。
2. additional固定搭配？
它的固定搭配是in addition to
3. addition？
1.In addition to these arrangements, extra ambulances will be on duty until midnight.
除了这些安排以外，另增救护车值班至午夜。
牛津高阶英汉双解词典
2.In addition to my weekly wage, I got a lot of tips.
除了每周的薪水外，我还能得到不少小费。
柯林斯高阶英汉双解学习词典
3.There's a postage and packing fee in addition to the repair charge.
除修理费之外还有邮寄和包装费。
柯林斯高阶英汉双解学习词典
4.In addition to the 81 positive comments, 26 students had neutral, mixed, negative or off topic views.
除了81条正面评价之外，有26位学生的观点或中立，或褒贬参半，或负面，甚或跑了题。
柯林斯高阶英汉双解学习词典
5.In addition to the killed and wounded, many were missing.
除了伤亡之外，还有许多人失踪。in addition to 除……之外。其中的to为介词，所以后接动词作宾语时要用动名词。
当主语后跟有in addition to引出的介词短语时，谓语动词仍与其前的主语保持一致。如：
The teacher, in addition to
his students, was interested in the book.
4. moreover和in？
moreover:
adv. 而且；此外
Moreover, the device can operate in water.
此外，这个装置还可以在水中运作。
Moreover, he could fly a helicopter, so we chose him.
加之他还会驾驶直升飞机，所以我们选择了他。
He enjoys teaching and moreover, is good at it.
他喜欢教书 而且也擅长教书。
Moreover, the country offers modern facilities at modest prices.
而且，该国以适中的价格提供现代化设施。
in addition:
另外，此外
There is, in addition, one further point to make.
此外，还有一点要说。
5. addition的用法？
1、用法不同。in addition：另外，此外。在句子里单独做状语，一般用逗号隔开。
in addition to：除…之外。后面要接名词或是动名词做to的宾语。在句子里做状语。
2、In addition to space and time, languages also shape how we understand causality.除空间和时间外，语言还可以塑造我们 理解因果关系的方式。
6. addition？
in addition to 除了，不是用就进原则，而是就远原则。就进原则指的是谓语动词的形式取决于离的近的主语，而就远原则指的是谓语动词取决于离的远的主语。
Tom in addition to six boys is going to the cinema.
就进原则的话谓语要用are，而就远原则的话谓语动词要用is。
7. do还是doing？
是in addition to do
in addition to 除……之外。如：
We play football in addition tobasketball. 除了篮球外，我们还踢足球。
In addition to English, he has to study a second foreign language. 除英语外，他还得学第二外语。
其中的to为介词，所以后接动词作宾语时要用动名词。如：
In addition to giving a general introduction to computers, the course also provides practical experience. 课程除了大致介绍电脑知识外，还提供实际操作的机会。
