人教新目标九年级英语Unit2精讲.docVIP

Unit 2 I used to be afraid of the dark. Section A 1. used to do sth. 过去常常做某事 　否定形式：didn’t use to do sth. / used not to do sth. 如：He used to play football after school. 放学后他过去常常踢足球。 Did he use to play football? Yes, I did. / No, I didn’t. He didn’t use to smoke. 他过去不吸烟。 used to be +adj. eg: He used to be lazy. He didn’t use to be hard-working. 比较：be / get used to doing sth. 习惯于做某事。这儿to是介词 2. 反意疑问句 ①肯定陈述句＋否定提问　如：Lily will go to China, won’t she ②否定陈述句＋肯定提问 如：She doesn’t come from China, does she? ③提问部分用代词而不用名词 Lily is a student, isn’t she? 注意：a. 陈述部分的主语为 this, that, 疑问部分主语用it; 陈述部分主语用 these, those, 疑问部分用they 做主语. 例: This is a new story, isn’t it Those are your parents, aren’t they? 陈述部分是 there be 结构, 疑问部分仍用 there 例: There was a man named Paul, wasn’t there? I am 后的疑问句, 用aren’t I 例: I am in Class 2, aren’t I? 陈述部分与含有 not, no, never, few, little, hardly, seldom, neither, none等词时, 疑问部分用肯定. 例: Few people liked this movie, didn’t they? They hardly understood it, did they? 他们几乎不明白，不是吗？ 但陈述句中若带有否定前缀或后缀的单词时, 这个句子仍视为肯定, 后面仍用否定. 例: Your sister is unhappy, isn’t she? 陈述部分的主语若为不定式或 V-ing 短语, 疑问部分主语用it.例: To spend so much money on clothes is unnecessary, isn’t it? 陈述句中主语是 nobody, no one, everyone, everybody 等指人的不定代词时,疑问部 分用they做主语; Nobody says one word about the accident, do they? 若陈述部分主语是 something, anything, noting, everything 等指事物的不定代词时, 疑问部分用it 做主语.例: Everything seems perfect, doesn’t it? 当主语是第一人称I时, 若谓动为think, believe, guess 等词时, 且其后跟宾, 这时疑问句部分的人称, 时态要与宾语从句保持一致, 同时还要考虑否定转移.例: I don’t think he can finish the work in time, can he? 前面是祈使句, 后用 will you? let’s 开头时, 后用shall we? play the piano弹钢琴 弹乐器要加the 比较：play soccer 球类活动不加the 4. ①be interested in sth. 对…感兴趣 ②be interested in doing sth. 对做…感兴趣 如：He is interested in math, but he isn’t interested in speaking English. 比较：take an interest in places of interest interested adj. 感兴趣的，指人对某事物感兴趣，主语是人 interesting adj.有趣的，指某事物/某人具有趣味，主语是物 English is interesting. Its an interesting book. still 仍然，还　　 用在be动词的后面