I am study last year.
Last year
มีงานเยอะมาก และต้องเข้าประชุมเตรียมฝึกงาน
My last year
There is a lot of work, and must attend internship preparation.
Last year I learned
a lot of work. And be prepared to attend training
I was last year.
There is a lot of work and to attend to prepare training.