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Ice is not made of, from, out of, by, with water, I think.

Because ice is water.

Ice is water in another form.

Thus:

Ice is a form of water
Ice is water in the solid state
Ice is a solid from of water.

[Perhaps:

Ice is made of crystals of water?]

I have had one or two students at a similar level. To tackle the missing 's', you might try this. You need two saucers. One empty, one full of sweeties. Everytime there is a chronic error (such as a missing 's', missing article, or whatever you are working on), transfer a sweetie from his saucer to ...