They had to edge their way along this, sometimes wading across shallow streams, or swimming..

\u662fDo they like swimming,\u8fd8\u662fDoes they like swimming?

\u5e94\u8be5\u662fDo they like swimming?
\u56e0\u4e3athey\uff08\u4ed6\u4eec\uff09\u662f\u7b2c\u4e09\u4eba\u79f0\u590d\u6570\uff0c\u6240\u4ee5\u7528do.

\u800c\u5982\u679c\u4e3b\u8bed\u662f[\u7b2c\u4e09\u4eba\u79f0+\u5355\u6570],\u5c31\u7528does.(he,she,it)
\u5176\u4ed6\u7684[\u7b2c\u4e00/\u4e8c\u4eba\u79f0]\u6216[\u7b2c\u4e09\u4eba\u79f0+\u590d\u6570]\uff0c\u5c31\u7528do\u3002(I,you,we,they)

\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01

他们小心前行，时而趟过浅流，时而横渡深潭。现在分词作状语，修饰谓语“前行”，表现行为的方式、状态。

？？

扩展阅读：xbox series x ... how are you doing ... a sense of community ... you is pig ... you is kind ... there is no game ... a sense of identity ... are you sure ... you is dog ...