第一人称：
1.My favourite colour is red.Is your favourite colour red?What's your favourite colour?
2.Our favourite colour is red.Is your favourite colour red?What's your favourite colour?
第二人称：
Your favourie colour is red.Is your favourite colour red?What's my favourite colour?
第三人称：
His favourite colour is red.Is his favourite colour red?What's his favourite colour?
Her favourite colour is red.Is her favoureit colour red?What's her favourite colour?
Its favourite colour is red.Is its favourite colour red?What's its favourite colour?
Their favourite colour is red.Is their favourite colour red?What's their favourite colour?
注意：
一.在上面的所有句子中,如果最喜欢的事物是可数名词的话,名词如果表示是两个或者两个以上的话,句子中is通通换成are.那么这个名词也要用复数形式,比如：1My favourite colours are red and black.2.Our favourite colours are red,white and black.
二如果最喜欢的事物是不可数名词,通通用is.