在这种情况下，可以用这样的表达方式来表示"他们很少回家用英语":
"They don't often speak Engpsh at home."
这个表达方式的来源是由英语中的助动词"do"和否定词"not"以及副词"often"组成的。助动词"do"用于构成否定句，否定词"not"用于否定动词或动词短语，副词"often"用于修饰动词，表示频率。
例句：
"I don't often go to the gym." (我不经常去健身房。)
"She doesn't often visit her grandparents." (她不经常拜访她的祖父母。)
"We don't often have time to watch movies on weekends." (我们周末不经常有时间看电影。)
"They don't often speak Engpsh at home."
这个表达方式的来源是由英语中的助动词"do"和否定词"not"以及副词"often"组成的。助动词"do"用于构成否定句，否定词"not"用于否定动词或动词短语，副词"often"用于修饰动词，表示频率。
例句：
"I don't often go to the gym." (我不经常去健身房。)
"She doesn't often visit her grandparents." (她不经常拜访她的祖父母。)
"We don't often have time to watch movies on weekends." (我们周末不经常有时间看电影。)