Slight Correction in 4.4.1

[Utsav Sinha]

[huangxueqin]

I think you are right，I found the same error。

[Jin Jianian]

I find this error too. I thought the writer may misunderstand the Grammer Rule 3 because he made almost the same mistake in 4.4.1(4).

[Yuxiang Wang]

thank you for your clear answer