my book到底是个名词词组 还是 名词性物主代词?
追答名词词组 具有名词性
但是在句子中book还是起名词作用对吧?如this is my book,就是主系表
追答形容词性物主代词后面一定要接名词或名词性的词。
my book; his book; his desk; her room这些当然是名词词组了(中心词是名词)。
后面都是名词。
名词性物主代词:mine, ours, yours, his, hers, theirs: 是可以直接当主表宾的。
如:
The room is hers.=The room is her room.