一般疑问句的开头不外乎这几个单词:am/is/are/was/were/have/has/had/can/could/may,要是句子中有这些词,就提前就OK了.因为一般疑问句就是用yes or no 来回答的.
Can Tome and Jacky water the flower?Tome和Jacky 能给花浇水吗?
Yes,they can.是的,他们可以.