（1）Their daughter usedn't to do revision every day. 他們的女兒以前不每天都復(fù)習(xí)(功課).
used to do sth :曾經(jīng)習(xí)慣于,過(guò)去經(jīng)常做.其中,used是use的過(guò)去式.
例句：
They used to live there.他們?cè)?jīng)在那里生活過(guò).
I usedn't to like wine.我以前不喜歡喝酒.
It did not use to snow often in this season.以前這個(gè)季節(jié)不經(jīng)常下雪.
（2）Their daughter isn't used to doing revision every day.他們的女兒不習(xí)慣每天復(fù)習(xí)(功課).
be(get) used to sth(doing sth):習(xí)慣于做某事,適應(yīng).其中,used是形容詞,表示：慣常的,習(xí)慣于……的
例句：
I'm not used to getting up early.我不習(xí)慣早起.
I'm getting used to the cold weather here.我在適應(yīng)這里的寒冷天氣.
She is used to school life.她適應(yīng)了校園生活.