1)序数词主要用作定语.前面要加定冠词.例如: The first truck is carrying a foot baskets． 2)序数词有时前面可加不定冠词来表示“再一 .“又一这样——青夏教育精英家教网—

摘要：1)序数词主要用作定语.前面要加定冠词.例如: The first truck is carrying a foot baskets． 2)序数词有时前面可加不定冠词来表示“再一 .“又一这样的意思.例如: We'll have to do it a second time． 3) 注意较为容易拼写错误的序数词及其缩写形式:one---first, two---second, three---third, five---fifth, eight---eighth, nine---ninth, twelve---twelfth. 缩写形式:first→1st second→2nd third→3rd fourth→4th twenty-second→22nd 4) 表示分数时.分子用基数词表示.分母用序数词表示.分子大于1时.分母加-s.例如: three fourths, one second, two fifths2.难点倍数表示法主语+谓语+倍数+ as + adj. + as I have three times as many as you. 我有你三倍那么多. 3.易错点

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词形转换

1.possible (反义词 ) ---------------------

2.company (复数) ---------------------------

3.few (比较级)------------------------

4.met (原形)--------------------------

5.get (现在分词 ) --------------------

6.buy (过去式)--------------------------

7.one (序数词)-----------------------------

8.happy (反义词)--------- ---------------------

9.pollute (名词 ) ---------------------------

10.cheap (同义词)---------------------------

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词形转换。

1．sit(动名词形式) ________

2．do(第三人称单数) ________

3．one(序数词) ________

4．drive(表示人的名词) ________

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词形转换

1.possible (反义词 ) ---------------------

2.company (复数) ---------------------------

3.few (比较级)-----------------------

4.met (原形)--------------------------

5.get (现在分词 ) --------------------

6.buy (过去式)--------------------------

7.one (序数词)-----------------------------

8.happy (反义词)--------- ---------------------

9.pollute (名词 ) ---------------------------

10.cheap (同义词)---------------------------

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