Unit 2 She was thinking about her cat. & Unit 3
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Unit 2 She was thinking about her cat. & Unit 3
4 It was too dark for her to see anything. 她来说太黑了,她什么也看不见。 [探究] “sb./sth.+too+adj./adv.+to+ v.”表示“某人/某物 太……而不能……”。此结构用肯定形式表示否定意义,后面 不定式的逻辑主语可用for引出。 Wei Ming said English was too difficult(for him) to learn well. 魏明说英语太难,他学不好。
Unit 2 She was thinking about her cat. & Unit 3
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Unit 2 She was thinking about her cat. & Unit 3
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Unit 2 She was thinking about her cat. & Unit 3
once twice
Unit 2 She was thinking about her cat. & Unit 3
[拓展](1)once表示“一次”, 三次或三次以上一般用“基 数词+times(次)”来表示。如:five times 五次,ten times 十次。“每月一次”表示为“once a month”,中 间不用介词in。“一天三次”表示为“three times a day”。 They go shopping once a week. 他们每周购物一次。 (2) 对含有twice, once, sometimes, seldom, usually, never等的频度副词提问时用how often。 —How often do you play computer games? 你多久玩一次电脑游戏? —Twice a week. 一周两次。