my favourite fruit(animalfood) is...的用法

This question concerns what is called, technically, concord, or, more generally,agreement. That is, the agreement of subject and verb. So, to take your example (but avoiding fruit for the moment): My favourite animal is the elephant. Here we have concord between the (singular, countable) subject and the verb. We also have agreement between the singular subject and the complement (the elephant). We could equally well say: My favourite animals are elephants. Again concord rules. In the occasional case where the subject is singular and the complement is plural, the verb agrees with the subject, not the complement. So: My favourite meal is baked beans. Not *My favourite meal are baked beans. (The asterisk is the device traditionally used to show a grammatically unacceptable example). This, by the way, explains My favourite food is noodles, noodles being almost always thought of in the plural. However, there is another issue involved, and that is the way we use nouns to talk generically, that is, about classes of things. When we say My favourite animals are elephants, we are talking about elephants as a class, rather than any specific and identifiable elephants (in which case we would say My favourite animals are the elephants – e.g. the ones in the zoo). With countable nouns there are three options when talking generically: An elephant is a mammal. The elephant is a mammal. Elephants are mammals. With uncount

这道题的重点主谓一致，即这句话的谓语动词is是和前面的主语fruit有关，和后面宾语的单复数是没有关系的。但因为含义上表示种类，所以，用复数形式。在英语中，表示种类的有三种形式：1. a + 单数名词2. the + 单数名词3. 复数名词 用你举得例子就是An apple is my favorite fruit.The apple is my favorite fruit.Apples are my favorite fruit.

这道题的重点主谓一致，即这句话的谓语动词is是和前面的主语fruit有关，和后面宾语的单复数是没有关系的。但因为含义上表示种类，所以，用复数形式。在英语中，表示种类的有三种形式：1. a + 单数名词2. the + 单数名词3. 复数名词 用你举得例子就是An apple is my favorite fruit.The apple is my favorite fruit.Apples are my favorite fruit.