重读闭音节：以一个辅音字母结尾需要双写。 eg. big-bigger hot-hotter stop-stopped get-getting

2. 重读闭音节：以一个辅音字母结尾需要双写。 eg. big-bigger hot-hotter stop-stopped get-getting forget-forgetting

3. she thank long English photo enough team ready great break rice car grow now down hight sight light go bag glass orange get

4. 数词 • 数词有基数词和序数词两种。 １.基数词表示数量多少　one,two,three • 序数词表示数的顺序 first,second,tenth • 序数词前一般要加定冠词the或代词 • eg.I have already got two letters from Susan this year. So this is the third one. • This is her second visit to Japan,isn’t it? • 2. 英语序数词一般以与之相应的基数词加词尾-th构成 • 特殊形式

5. 1)one-first, two-second, three-third, five-fifth, eight-eighth, nine-ninth twelve-twelfth 2)以-y结尾词变-y为-ie加-th thirty-thirtieth forty-fortieth 3)以one,two,three,five,eight,nine等结尾的多数词变为序数词仅将个位次变序数词即可。 23 twenty-three  twenty-third 注意 ：十位数与个位数间通常用连字符“－”，一百以上的数词常在百位与十位间加and，没有十位数时，百位和个位之间通常也加and

6. 231 two hundred and thirty-one 509 five hundred and nine dozen,score,hundred,thousand,million等词前有基数词或某些表示数量的形容词时不加-s. eg. a few hundred meters　　几百米 several million people　数百万人 two thousand teachers 　两千位老师 表示“几百”“几千”“几百万”等笼统数目时，用-s+of eg. hundreds of books thousands of workers

7. 一百以上序数词与一百以下基数词变序数词方法一样一百以上序数词与一百以下基数词变序数词方法一样 three hundred and twothree hundred and second

8. 现在进行时 结构：助动词 be 现在式（is,am,are）＋现 在分词. 1.表示说话时正在进行的动作。 We are having an English lesson now. The children are singing a fine song. Some birds are flying over the sea. 2.表示现阶段正在进行的动作，虽然此刻 这动作不一定在进行。 The workers are building a new factory. He is translating a book. 3.少数动词如go,leave,come,arrive,return,begin,do, die,lose等现在进行时可表示预计即将发生动作。

9. My uncle is coming back from abroad. • The train is arriving soon. • My sister is returning at two this afternoon.