1.Attend
I will be attending a funeral this afternoon.
我今天下午要去参加一个葬礼。(观礼)
Last week I attended his funeral.
上周,我去参加了他的葬礼。
I'm attending the match tomorrow.
我明天去看比赛。
2.Take part in
I will take part in his funeral.
我会去他的葬礼(帮忙)。
I will take part in the match tomorrow.
我明天去参加比赛。
3.go to
I'm going to a funeral.
我去参加一个葬礼。(观礼)
I will go to the match tomorrow.
我明天去看比赛。
4.Join
I will join the mourners at the funeral.
我会去参加悼念。
I will join the match tomorrow.
我会去看比赛/参加比赛。