be always doing sth是一个正确词组,但我以前学过很多像He always plays soccer.这类的句子,v.都没加ing,但这些句子还正确,我真搞不懂现在这两个哪一个才正确,有什么区别么

be always doing sth . he is always busy___ (work)是用be busy doing sth还是 be busy with sth always用法意思是总是到底是BE ALWAYS DOING STH还是ALWAYS DO STH啊?They always make fun of Mr. Smith. 他们总是嘲弄史密斯先生这句因该是THEY ARE ALWAYS MAKING.才对的啊 be afraid of 是doing sth还是do sth 成功做某事是be succeed doing sth 还是 be successful doing sth 还是 succeed doing sth? be doing sth.when be doing sth. 是be interest in doing sth还是be interested in doing sth be always doing 造句 be always doing 还是always doing be worth doing sth里的doing sth 是现在分词么那是做什么成分 be refer doing sth to doing sth哪个是更合适的 一般将来时：主+will+V原主+be+always+Ving主+spend+时间段+in+doing sth 各造三句, Our English teacher __ always____a white shirt.是填is,wearing还是does,wear.有没有be always doing sth的用法? be worried doing sth 还是be worried about doing sth be worthy of sth / doing sth. be worth sth./doing sth.造句, there be sb/sth doing