誰可以幫幫我修改文法錯的地方可以加東西

**Consider using simple English and putting one idea in one sentence.

The weather has been very hot, but it’s a nice day.
**tense: use simple present tense for truth, therefore, replace "has been" by "is"
**The weather is hot but it is still a nice day.

I think play golf is a really good exercise; however I can’t play golf today.
**use of English: replace "play golf" by "golfing"
**pronoun: replace "golf" by "it"
**I think golfing is really a good exercise. However, I cannot play it today.

The reason is my right hand hurts because I slipped and fell over on Monday.
**tense: replace "hurts" by "has been hurt" (it happens in the past and continues)
**duplicate meaning: "slip" means "fall over", therefore delete "and fell over"
**The reason is that my right hand has been hurt because I slipped on Monday.

Therefore I just stay with my classmate and watch them to play, but I have still learned some tips from Cris today.
**plural: you watch "them", therefore, replace "classmate" by "classmates"
**tense: simple present tense will do for truth
**Therefore, I just stay with my classmates and watch them to play. I still manage to learn some tips from Cris today.

In the beginning of class everyone needs to prepare 10 golf balls and some tees; also need to have their own golf club, and then Cris is made up of four players in a team.
**Commencing the class, everyone has to bring 10 golf balls, some tees, and have their own golf gloves. Cris arranges four players in a team.

See if this helps.

The weather is very hot but it is still a nice day. Playing golf is really a good exercise, but I cannot have the game today as I have slipped and hurt my right hand on Monday. So I just stay with with my classmates and watch them playing. I have learnt some tips from Cris. Before starting the class, we have to join a golf club and each time we need to bring along 10 balls and some tees. Today Cris has formed a team with 4 players.