a problem that puzzles somebody中puzzle为什么加s？ some puzzle的后面要不要加s

my sister has problem that puzzle her\u7684puzzle\u4e0d\u52a0s\u6216ing

\u524d\u534a\u53e5\u6709\u95ee\u9898\uff1aproblem
\u662f\u53ef\u6570\u540d\u8bcd\uff0c\u6240\u4ee5\u8fd9\u91cc\u6709\u4e24\u79cd\u9009\u62e9\uff1a\u30011.
my
sister
has
problems
(\u7528\u590d\u6570\u5f62\u5f0f\uff09that
puzzle
her.2.
my
sister
has
a
problem
that
puzzles(\u8fd9\u79cd\u60c5\u51b5\u4e0b\u52a8\u8bcd\u540e\u662f\u8981\u7528s\u7684\uff09her.that
\u8fd9\u91cc\u5f15\u5bfc\u7684\u5e94\u8be5\u662f\u5b9a\u8bed\u4ece\u53e5\u3002\u81f3\u4e8e\u80fd\u5426\u7528puzzling
\u66ff\u6362that
puzzle(s),
\u6211\u4e0d\u592a\u6562\u786e\u5b9a\uff0c\u4f46\u542c\u8d77\u6765\u5f88\u522b\u626d\uff0c\u662f\u6211\u7684\u8bdd\u6211\u4e0d\u4f1a\u7528\u7684\u3002

some puzzles \u8981\u52a0s

答：that引导定语从句，修饰先行词 a problem。定语从句的主语是a problem（第三人称单数），所以谓语用puzzles。

翻译：一个困扰某人的问题。

希望对您有帮助；）

扩展阅读：it is a problem that ... cognitive psychology ... paperpass免费入口 ... owning a smartphone may ... that wont be a problem ... adobe premiere pro ... only in american can ... helpful ... its great fun to explore ...