Sure, here are nine English sentences with their constituent parts identified:
1、The cat sat on the mat.
- Subject: The cat
- Verb: sat
- Object: on the mat
2、She quickly ran to catch the bus.
- Subject: She
- Adverb: quickly
- Verb: ran
- Infinitive phrase: to catch the bus
3、After the rain stopped, we went outside to play.
- Adverbial clause: After the rain stopped
- Subject: we
- Verb: went
- Adverbial phrase: outside
- Infinitive phrase: to play
4、The old man with the cane walked slowly down the street.
- Subject: The old man with the cane
- Verb: walked
- Adverb: slowly
- Prepositional phrase: down the street
5、In the morning, the birds chirped loudly.
- Prepositional phrase: In the morning
- Subject: the birds
- Verb: chirped
- Adverb: loudly
6、They are planning to visit their grandparents next weekend.
- Subject: They
- Verb: are planning
- Infinitive phrase: to visit their grandparents
- Adverbial phrase: next weekend
7、Despite the challenges, she remained optimistic.
- Subordinating conjunction: Despite
- Object: the challenges
- Subject: she
- Verb: remained
- Adjective: optimistic
8、Running late, he quickly grabbed his keys and dashed out the door.
- Participial phrase: Running late
- Subject: he
- Verb: grabbed
- Object: his keys
- Coordinating conjunction: and
- Verb: dashed
- Prepositional phrase: out the door
9、Whenever I see her, my heart skips a beat.
- Subordinating conjunction: Whenever
- Subject: I
- Verb: see
- Object: her
- Possessive pronoun: my
- Noun: heart
- Verb phrase: skips a beat
