have access to do还是doing

access to doing，因为access to后面是doing，不可以加do。have access to sth./doing sth，to是介词，意思是“有渠道做某事；做某事有机会”。

have access to例句：

They may have access to drinking water but not clean, safe drinking water.

他们或许能获得饮用水，但不是干净、安全的饮用水。

Millions of people cannot read these words because they don't have access to a computer.

数百万人无法阅读这些文字，因为他们没有使用电脑的机会。

We must ensure that all patients have access to high quality care.

我们必须确保所有的病人都能够得到高质量的护理。

They want their parents to have access to affordable long-term care.

他们希望他们的父母可以得到负担得起的长期看护。