1、I am going to the store、
Subject: I
Verb: am going
Object: the store
2、She loves to read books、
Subject: She
Verb: loves
Object: to read books
3、The cat sat on the mat、
Subject: The cat
Verb: sat
Object: on the mat
4、He walked quickly to catch the bus、
Subject: He
Verb: walked
Adverb: quickly
Object: to catch the bus
5、They are playing football in the park、
Subject: They
Verb: are playing
Object: football
Prepositional phrase: in the park
6、She wrote a letter to her friend、
Subject: She
Verb: wrote
Object: a letter
Prepositional phrase: to her friend
7、After finishing his homework, he went to bed、
Subordinating conjunction: After
Subject: he
Verb: went
Object: to bed
8、The sun sets in the west、
Subject: The sun
Verb: sets
Prepositional phrase: in the west