(1)重读are
Mary and Jane “are” sisters.强调Mary和Jane的的确确是姐妹,相当于Mary and Jane are really sisters
(2)不重读are
“Mary and Jane” are sisters.强调是Mary和Jane是姐妹,而不是别人是姐妹
Mary and Jane are “sisters”.
强调Mary和Jane是姐妹关系,而不是别的关系
(1)重读are
Mary and Jane “are” sisters.强调Mary和Jane的的确确是姐妹,相当于Mary and Jane are really sisters
(2)不重读are
“Mary and Jane” are sisters.强调是Mary和Jane是姐妹,而不是别人是姐妹
Mary and Jane are “sisters”.
强调Mary和Jane是姐妹关系,而不是别的关系