这句怎么有两个谓语动词the reason i'm calling u is to invite u to a party怎么出现两个谓语动词?am 和 is
问题描述：
这句怎么有两个谓语动词
the reason i'm calling u is to invite u to a party
怎么出现两个谓语动词?am 和 is
答
后面的IS 是从句的谓语
答
the reason(that)I'm calling u is to invite u to a party.
非简单句，定语从句是也。
答
the reason (that) i'm calling u , am calling 做定从中的谓语
、而is是整个句子的谓语