请问am is are have has 该如何在句子里应用?

请问am is are have has 该如何在句子里应用? 请问am,is,are在句子中怎样应用.（单复数的）详细点 用am,is,are,have,has填 用have has am is are填空 用am is are have has 填空 用"am,is ,are,have,has"填空 用am is are have has填空 英语中的am is are where was has have 如何选择 分别用在哪种句型中 [ ]your father a bike括号里填can has have are is am 请问在 I ___ a word and a letter.句子中,该填am,is 还是are. 用to have或am,is are,have,has填空 用is ,am ,are ,have ,has ,can ,do ,does ,填空