She eats an apple.
主语：She
谓语：eats
宾语：an apple
He studies English every day.
主语：He
谓语：studies
宾语：English
The dog chases the cat.
主语：The dog
谓语：chases
宾语：the cat
I bought a book yesterday.
主语：I
谓语：bought
宾语：a book
She sings a song beautifully.
主语：She
谓语：sings
宾语：a song
They are watching a movie now.
主语：They
谓语：are watching
宾语：a movie
