be going to
1.be going to 表示将要发生的事或打算、计划、决定要做的事情。
2.肯定句：be going to +动词原形，如：Jim is going to play football.
否定句：be not going to +动词原形, 如：Jim is not going to play football.
一般疑问句：把be动词调到句首, 如：Is Jim going to play football?
特殊疑问句：疑问词+be+主语+going to+动词原形?如：What is Jim going to do?
疑问词当主语时：疑问词+be+going to+动词原形?如：Who is going to play football?
will
1.表示将要发生的事。
2.肯定句：I will go to the zoo tomorrow.
否定句：I will not (won’t) go to the zoo tomorrow.
一般疑问句：Will you go to the zoo tomorrow?
特殊疑问句：
Who will go to the zoo tomorrow?
Where will you go tomorrow?
When will you go to the zoo?