The birthday cake will be baked tomorrow.( 10.a new medicine is being tried at the hospital.( 11 .when we passed their garden, the flowers were being watered there (by 12.1 haven't been invited to their party yet.( 13. the meat has been fried well.( 14. shakespeare plays had been staged by the end of the last year. (

When will the birthday cake be baked?
Where is a new medicine being tried ?
By whom were the flowers being watered there?
Why haven't you been invited to their party yet?
How has the meat been fried well?
When had Shakespeare's plays been staged ?