Grammar公开课教案

外研社教材

必修一 Module5 Grammar 教学重点：学习倍数表达法

教学难点：掌握不同的倍数表达结构

掌握倍数表达的变化结构

教学步骤：

Step One : sentences presentation Ask the students to read the sentences and think what the meaning of these sentences are, and how people compare two things Step two : learning and summarizing Group one : The brown house’s windows are twice as wide as those of the white house.

My handwriting is not half as good as yours. This room is three times as large as that one. 小结: (1) 倍数＋as＋形容词＋as…

Group two : The white box is four times deeper than the black box. This road is twice longer than that one. The plane flew nine times higher than the kite. 小结: (2) 倍数＋形容词的比较级＋than…

Group three: The red building is twice the height of the grey building. Our school is three times the size of yours. The street is four times the length of that one. 小结: (3) 倍数＋the size (length, width, height, depth) ＋of…

Step three: practice Translation and complete the sentences 1.He earns twice as much as he used to. 2.She spent half as much money as you. 3.This line is four times as long as that one. 4.I am twice as old as he. 5.She studies three times as hard as I.

1.It is ten times louder than another.

2.This street is three times wider than that one. 3.I am twice older than he.

1.Line A is four times the length of line B. 2.I have five times the number of Tom’s books.

3.It was over twice the distance of the earth from the sun.

语法素材

Ⅰ.单句语法填空

1．The electronic waste stream is increasing three times faster (fast) than traditional garbage as a whole. 2．You look much thinner (thin). How did you manage to lose weight? 3．This rope is three times the length (long) of that one. 4．In my opinion, his second book is much more_interesting (interesting) than his first one. 5．The study also found that the more people walked or ran each week, the fitter (fit) they would become. 6．How beautifully she sings! I've never heard a better (good) voice. Ⅱ.补全句子

1．布莱克先生非常高兴，因为他厂里生产的衣服从未如此受人欢迎。

Mr. Black is very happy because the clothes made in his factory have_never_been_more_ popular. 2．这座城市的美丽并非我所能描述。

The beauty of the city is more_than_I_can_describe. 3．这个房间的长度是那个房间的两倍，但窄得多。

This room is twice_the_length_of that one, but it is much_narrower. 4．随着时间的推移，他发现养家越来越困难了。

As time went on, he found it more_and_more_difficult to support his family. 5．这个工作没有你想象的那么难。

The work is not_as/so_difficult_as you imagine.