我正在钓鱼。
I am fishing.
I am fishing now.
I am fishing right now.
I am enjoying fishing now.
我要去钓鱼。
I am going fishing.
I will go fishing.
I want to go fishing.
I decide to go fishing.
I would like to have fishing.
Why not go fishing?
我正在钓鱼。
I am fishing.
I am doing some fishing.
我要去钓鱼。
I am going to do some fishing.
I will go fishing.
I am fishing.
I'll go fishing.
我正在钓鱼:
I am fishing.
我要去钓鱼:
I am going fishing.
3楼正解。