英语中表示数目顺序的词叫序数词。序数词的构成规则,如下表:序数词前不用定冠词的情况,表示顺序的语气很弱,具有“又一”“再一”的意思时,其前要用不定冠词,不用定冠词。
如:
He cast the neta secondtime.
A thirdbullet passed.
② 序数词前己有指示代词、物主代词、名词所有格或every时,不用定冠词。
如:
He made his frist set in an old box.
③ 在表示分数的序数词前不用定冠词。
如:
From then on Bashi tourer three-fourths of Beijng.
Two-thirds of the area is covered by trees.
④ 数词与名词构成复合名词时,不用定冠词。
如:
There is a first-class hotel over there.
He went toa second-hand bookshop.
⑤ 在一些由序数词构成的固定词组里不用定冠词。
如:
at first
first of all
from first to last