Assuming the tiles *are* seamless patterns which do *not* require any rotating and merely need to be duplicated and aligned..... I would actually use `Place` and `Effects` with linked files.... A couple minutes of set up to make any future pattern change take only a few seconds.

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So you have 1 file, and you know the size is 100x100px....

[![enter image description here][1]][1]

Open a new AI file and choose `File > Place` and select your file. This **links** to the single file.

[![enter image description here][2]][2]

Select the Linked image and choose `Effect > Distort & Transform > Transform`.

Enter a value in the **Move - Horizontal** area which correlates to the width of your tile, in my case I used 100pts/px. And enter 2 in the **Copies** field since you want 2 copies to appear....

[![enter image description here][3]][3]



Click `OKAY` and you'll see the effect in the **Appearance Panel** (Window > Appearance).

[![enter image description here][4]][4]

Click-drag that `Transform` Effect to the "New" icon at the bottom of the Appearance Panel to duplicate it:

[![enter image description here][5]][5]

Now click one the `Transform` effects in the panel, either one, it doesn't matter which.

The Transform Effect Options window will appear again. This time enter the **Vertical** distance in the Move area, and set the Horizontal back to zero. Copies should still be set at 2, leave that as it is.

[![enter image description here][6]][6]

And Click `OKAY`.

You now have a 3x3 grid based on a single placed link. Save this as a "Master" working file if you'd like. 

To change patterns, use the **Links Panel** (Window > Links) to merely relink the image, and all the subsequent duplicates will update as well....

[![enter image description here][7]][7]


Then simply save as whatever you need.

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<sub>**Note I really don't know the native tiles size for these patterns so numbers are rounded for general clarity. Tiles won't line up correctly due to this.**</sub>

  [1]: https://i.sstatic.net/9j3JJ.png
  [2]: https://i.sstatic.net/WAx3R.jpg
  [3]: https://i.sstatic.net/K9HmH.jpg
  [4]: https://i.sstatic.net/gGBEw.jpg
  [5]: https://i.sstatic.net/RSIkz.gif
  [6]: https://i.sstatic.net/fp0D2.jpg
  [7]: https://i.sstatic.net/VADDi.gif