你好，可翻译为：He`ll help his parents do housework often.满意请速速采纳，谢谢合作！
她经常帮妈妈做家务，她经常帮妈妈做家务
He will always help his parents (to) do housework
在主动语态下，help sb do sth 和 help sb to do sth 都可以
He will often help his parents do housework
He will often help my parents with the housework.
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