Thank you very much for helping me. I still have a few sentences regarding the same novel for you to check.

1)The novel consists of three parts and is set at the end of the 19th century.
2)The story begins with a group of men on a ship, Nellie, in the Thames estuary.
3)They are waiting for the tide to turn so the ship can leave the port. The first narrator introduces the other men.
4)One of them is the sailor, Marlow. To help pass the time Marlow begins to tell the others about an experience he had in Africa.
5)In particular, he talks about his first commission for a Belgian company involved in the ivory trade in the Congo.
6)Kurzt was regarded to be the best company’s agent since he managed to supply more ivory than the other agents.
7) He had set up his camp in the very heart of ivory country. Marlow learned that Kurzt was seriously ill and that the other ivory agents, who were jealous of his success, hoped he did not recover.
8)Marlow’s ship was damaged and he was forced to spend two months repairing it.
9)Marlow heard more about Kurzt. His curiosity was such that meeting Kurzt became his aim.
10) During the voyage Marlow met several people, who referred to Kurzt as a very remarkable person. His ship was attacked by hostile tribesmen and a member of his crew was killed.

Sure, I'd be happy to check those sentences for you:

1) The novel consists of three parts and is set at the end of the 19th century.
- This sentence is grammatically correct and provides an overview of the novel.

2) The story begins with a group of men on a ship, Nellie, in the Thames estuary.
- This sentence is grammatically correct and sets the scene for the start of the story.

3) They are waiting for the tide to turn so the ship can leave the port. The first narrator introduces the other men.
- These sentences are grammatically correct and explain the situation and the role of the first narrator.

4) One of them is the sailor, Marlow. To help pass the time Marlow begins to tell the others about an experience he had in Africa.
- These sentences are grammatically correct and introduce the character of Marlow and his storytelling.

5) In particular, he talks about his first commission for a Belgian company involved in the ivory trade in the Congo.
- This sentence is grammatically correct and explains the specific topic of Marlow's story.

6) Kurzt was regarded to be the best company’s agent since he managed to supply more ivory than the other agents.
- There seems to be a spelling mistake in this sentence. "Kurzt" should be "Kurtz". Other than that, the sentence is grammatically correct and highlights Kurtz's success as an ivory agent.

7) He had set up his camp in the very heart of ivory country. Marlow learned that Kurtz was seriously ill and that the other ivory agents, who were jealous of his success, hoped he did not recover.
- These sentences are grammatically correct and provide more information about Kurtz and the situation surrounding him.

8) Marlow’s ship was damaged and he was forced to spend two months repairing it.
- This sentence is grammatically correct and explains why Marlow had to spend time in Africa.

9) Marlow heard more about Kurtz. His curiosity was such that meeting Kurtz became his aim.
- These sentences are grammatically correct and show Marlow's increasing interest in Kurtz.

10) During the voyage Marlow met several people, who referred to Kurtz as a very remarkable person. His ship was attacked by hostile tribesmen and a member of his crew was killed.
- These sentences are grammatically correct and mention the encounters Marlow had during the voyage, as well as the dangerous situation he faced.

Overall, the sentences are well-written and provide clear information about the events and characters in the novel.