• Few of the children can read or write yet.  (few children)
• We are having some problems with a few of the tenants. (a few tenants)
• You can use a little of the milk. (a little milk)
• I could only hear little of your speech.
• Chris and a few of his musician friends came to us.

Few / a few of is used with us, them, you, these, those;

little / a little of is used with it, that, this

• When the water has boiled, pour a little of it into a tea pot.
• Very few of them were able to pass the exam.
• A few of these can be used for making jam.
• A little of this is enough.