下列各句中各有一处错误，找出并改正。

( )1. A girl name Jane gave you a call this morning. 

(     )2. All the boy students are enjoying to swim in the river.

(     )3. Thank you for come to see me.

(     )4. There's going to have a meeting tonight.

(     )5. All the food are on the table and the candles are on the cake. 

(     )6. My mother isn't here. She may be is in the study.