1、Granting that he has ability, it does not mean that he can do the work well.
就算他有能力，但這也并不意味著他能把工作干好。

2、Granting that he said so, he may not keep his promise.
假定他這么說了，他也未必會守承諾。

3、Granting that you are right, I won 't do it.
就算你說的是正確的，我也不打算做那件事。