turn on the blender中the blender的句子成分:宾语
we need two watermelons 中two的句子成分：定语
does he often talk with you 中you的句子成分 ：宾语
the main dish of this meal is almost always turkey中almost always turkey的句子成分：表语
how do most people celebrate this day 中most people 的句子成分：主语