my favourite sport is basketball.还是my favourite sports is basketball.为什么用sport 或sports

问题描述:

my favourite sport is basketball.还是my favourite sports is basketball.为什么用sport 或sports

my favourite sport```
我最喜欢的,当然只有一个拉```sports在大部分情况下表运动的总称``
所以用单数``

my favourite sport is basketball.最爱的运动只有一种,所以用单数

My favourite sport is basketball.
我最喜欢的运动(只有一个)是篮球.
One of my favourite sports are basketball.
我最喜欢的运动(很多)之一是篮球.这时用sports