When to use "de" and "du"?

If it means the same, which one should I use in any sentence? Thanks.

10/23/2012, 7:24:00 PM

10/23/2012, 7:35:12 PM

de= from, of ;

du= from+the, of+the

10/25/2012, 6:16:26 AM

De you use after an amount or a negative it means "of" such as "Beaucoup de...." Du means some. For example du riz. because normally you don't eat one grain of rice (un riz). I hope this helps!

10/24/2012, 7:56:40 AM
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