Can you please check my sentences? Thank you very much.

1) Hamlet makes some soliloquies.
The oak, along with the mistletoe, was the most important sacred tree to the Celts.
2) Most Druids were women.
3) In a revenge tragedy usually appears a ghost who wants to carry out his revenge.
4) Hamlet's thoughts aren't about the here and now but about the ultimate question of man's existence.
Hamlet begins to doubt whether or not to take his own life.
5) As a consequence of this difficult living condition (of their difficult living conditions?) many Jewish people left England.
6)The Black Death brought about an increase in wages, shortage of labour and a rise in prices.
7) Hamlet wants (also seeks?) his revenge on Cladio.
He wants to revenge (also avenge?) his father's murder.
8) Many restrictions were imposed on the professions they could follow.
9) The Jews had to pay high taxes. Despite this their economy began do develop.
10) Another feature of the revenge tragedy is the appearance of a ghost to the hero.

1. "makes" is not the right verb here. Try "gave" or "spoke"

Mistletoe is not a tree -- http://www.answers.com/topic/mistletoe -- you'll need to rephrase that second sentence.

2. OK

3. In a revenge tragedy, a ghost usually appears that wants to avenge any wrongs done to him/her.

4. comma after "now"

5. "their difficult living conditions," (including the comma)

6. comma after "labour"

7. Hamlet seeks revenge on Claudius. He wants to avenge his father's murder.

8. OK

9. comma after "this"

10. OK

Sure, here are some suggestions to improve your sentences:

1) Hamlet delivers several soliloquies.
The oak, along with mistletoe, was considered the most sacred tree to the Celts.
2) Most Druids were women.
3) Ghosts often appear in revenge tragedies with the intention of seeking revenge.
4) Hamlet's thoughts delve into the existential questions rather than focusing on the present.
Hamlet begins to contemplate whether or not to take his own life.
5) Due to their difficult living conditions, many Jewish people left England.
6) The Black Death resulted in higher wages, labor shortages, and increased prices.
7) Hamlet is driven by the desire for revenge against Claudius.
He seeks to avenge his father's murder.
8) Several restrictions were imposed on the professions they could pursue.
9) Despite having to pay high taxes, the Jewish economy began to develop.
10) Another characteristic of revenge tragedies is the appearance of a ghost to the protagonist.

Overall, your sentences are clear. These suggestions aim to improve clarity and expression. Great job!