I am going to buy some fruit
主语 I
谓语 am going to buy 不定式做谓语
宾语 some fruit
I am too busy to see you
主语 I
谓语 am too busy to see (too...to 太...而不能...)
宾语 you
This young woman in red is an Enlish teacher
主语 This young woman in red
谓语 is
宾语 an Enlish teache