1.her mother是主语,cooked是谓语,delicious food是宾语,us是间接宾语
改写：Her mother cooked delicious food for us
2.my American friend 是主语,Jack是同位语,wrote是谓语,me是间接宾语,a letter 是宾语,the other day是状语.
改写：my American friend,Jack,wrote a letter to me the other day
3.my uncle是主语,brought是谓语,a new watch是宾语,my brother是间接宾语
改写：My uncle brought a new watch to my brother
4.He是主语,handed是谓语,a cup of coffee是宾语,me是间接宾语
改写：He handed a cup of coffee to me