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.