account for后面如果是动词的话,是不是用动名词 还有on account of 是不是也是

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是的account for sth
account for doing sth
是的 for of 都是介词
on account of 可以放在句首,句中
On account of your health,you must endeavour to shift off the care of your children.
由于你的身体状况,你必须设法卸掉照看孩子这一负担.
I had to be out all afternoon yesterday on account of some urgent business although I had a cold.
我本来就有些感冒,为了一些紧急业务,我昨天出去了一下午.
======以下答案可供参考======
供参考答案1:
介词后边如果有动词那么一定是ing形式。