1. It is possible that the teacher will come to the party.
2. It is possible for the teacher to come to the party.
What's the difference in meaning between the above sentences?
3. It is possible that the teacher will come to join the birthday party.
Is sentence #3 acceptable?
http://www.eslcafe.com/forums/student/viewtopic.php?p=88963#88963
http://www.englishclub.com/esl-forums/viewtopic.php?p=307720#307720