1、数词在使用时应注意的问题
易错数词：
年月日及介词
计算用词
和数字相关的词
2、综合
1) 数字表达：
123,856,709
one hundred and twenty-three million, eight hundred and fifty-six thousand, seven hundred and nine
2) 年月日
in the morning; on the morning of September 1;
in September; in 1988; on September 1 (on the first of September)
3、计算
＋ Six and five is (are) eleven.
Six hundred plus forty is (equals) six hundred and forty.
－ Four from seven is (leaves) three.
Six hundred minus one hundred equals five hundred.
X 16 x 11 = 176
Sixteen times eleven is (makes) one hundred and seventy-six.
÷ 9 ÷ 3 = 3
Nine divided by three equals three.
4、dozen, score
A. three dozen eggs; three dozen of these eggs; dozens of eggs
B. three score years; a (three) score of people; scores of times
5、小数，分数，百分比引导的短语作主语时的主谓一致问题．
分数和百分数引导的短语作主语，其谓语动词的数应根据分数和百分数后面的名词来确定．如果是可数名词的复数，其谓语动词用复数形式；如果是不可数名词或单数可数名词其谓语动词用单数形式．
More than 40 percent of the students wear glasses.
70 percent od the fund(资金) was supplied by the Government.
6、“一个半．．．”的表达法．
one pound and a half ,one and a half years
09年高考英语语法精要讲解二：数词
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