Plans

Here are the four different functions we can use to talk about plans:
1. I will/shall call you in 10 minutes. (spontaneous)
2. I am going to spend the evening at home. (premeditated in spoken English)
    I will/shall be spending the evening at home. (premeditated in written English with an action verb)
    I will be in New York during Easter.  (premeditated in written English with a state verb)
3. I am flying to New York at 8:00AM tomorrow. (premeditated and arranged with an action verb)
    I am in New York during Easter. (premeditated and arranged with a state verb)
4. My Flight departs at 8:00AM tomorrow. (time-tabled event) 
 
Here are some links to some exercises on this topic: 

  http://www.englishgrammarsecrets.com/goingtoorwill/menu.php
  http://www.englishgrammarsecrets.com/presentformsforfuture/menu.php
  http://www.englishgrammarsecrets.com/willbedoing/menu.php