he is helpful his parents修改病句？ He helps his parents do some c...

he is helpful for his parents\u4fee\u6539\u75c5\u53e5\uff1f

for\u6539\u4e3a to
\u56fa\u5b9a\u7528\u6cd5
be helpful to sb
\u5bf9\u67d0\u4eba\u53c8\u5e2e\u52a9


He is helpful to his parents.

He will help his parents do some chores.\u5c06\u6765\u65f6\u6001\u4e00\u822c\u90fd\u7528will(\u6216be going to do...),\u6ce8\u610f\u540e\u9762\u52a0\u7684\u662f\u52a8\u8bcd\u539f\u5f62\uff01\u671b\u91c7\u7eb3~

he is helpful his parents修改病句？
答：he is helpful for his parents