Do you know how many colours there are in the picture?为什么用th
3个回答

这是一个针对从句的疑问句.

我们可以把原句还原出来:you know there are ____ colours in the picture.

当我们对这类句子做出疑问的时候,我们就只把主句的语序改成疑问语序,而从句不变,所以是there are,而不是are there.

像She thinks the dress is pretty改成疑问句就是does she think the dress is pretty?