中高考英语常用的由be构成的词组及例句1、 be back/in/out 回来/在家/外出I think he”ll be back in a week 我想他一星期后就会回来 。He will be back before the month is out 他将在月底前回来。2、be at home/work 在家/上班Will you be at home over christmas? 你圣诞节期间在家吗?I have to be at work in 20 nimutes. 我20分钟内要回去上班3、be good at 善于,擅长于I happen to be good at what I do. 我只是正好擅长于我的工作。4、be careful of 当心,注意,仔细I warned her to be careful of that. 我提醒过她要当心的。5、be covered with 被覆盖These seeds must be covered with a layer of earth.这些种子必须覆上一层土。