Can you check these sentences for me please? Thank you very much.

1) He doubts about suicide (wrong)
He is doubtful about /he has doubts about suicide.
2) A period of doubt follows, in which (not when?) the hero plans his revenge.
3) Every man is scared: better everyone/all of us?
4) Hamlet doesn't know if his mass of troubles will stop with death. (will caese after death).
He doubts the existence of an afterlife. He wonders whether or not there will be life after death
Hamlet seeks revenge for the murder of his father.

With the exception of #1, all are possible.

Sra

Sure! I can check these sentences for you and provide some suggestions:

1) He doubts about suicide - Incorrect
Suggested revisions:
- He is doubtful about suicide. (or)
- He has doubts about suicide.

2) A period of doubt follows, in which the hero plans his revenge - Correct
No revisions needed.

3) Every man is scared: better everyone/all of us? - Both options work, it depends on the context.
- "Every man is scared" implies that each individual man is scared.
- "Everyone is scared" implies that all people, regardless of gender, are scared.
- "All of us are scared" is another way to express that all individuals, including the speaker, are scared.

4) Hamlet doesn't know if his mass of troubles will stop with death - Incorrect
Suggested revisions:
- Hamlet doubts the existence of an afterlife. (or)
- Hamlet wonders whether or not there will be life after death.

Hamlet seeks revenge for the murder of his father - Correct
No revisions needed.

Remember, these are just suggestions. The revisions depend on the intended meaning and context of your sentences.