be always doing sth .

be always doing sth . he is always busy___ (work)是用be busy doing sth还是 be busy with sth be doing sth.when be doing sth. be always doing 造句 be always doing 还是always doing 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, 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 be afraid of doing sth be busy doing sth 例句 be interested in doing sth be busy in doing sth be long in doing sth be behind in doing sth be stop from doing sth