In the follwing sentence what is some?
If Julie makes apple pie, you should have some.
Since it's the object of the verb "should have," "some" must be a pronoun.
http://dictionary.reference.com/browse/some
In the sentence "If Julie makes apple pie, you should have some," the word "some" is an indefinite determiner. It is used to refer to an unspecified quantity or amount of something. It implies that there is an amount of apple pie available, and the speaker is suggesting that the listener should have an unspecified portion of it.
To determine the meaning of "some" in context, you can examine the sentence structure and the words around it. In this case, the sentence is conditional, starting with "If Julie makes apple pie." It then suggests that the listener should have some of the pie. This indicates that the speaker believes there will be apple pie available, and the listener is encouraged to partake in it.
Overall, in this sentence, "some" refers to an unspecified amount of apple pie that is available for consumption.