初中英语序数词专项语法讲解
1.基数词变序数词。其规律为:
1,2,3特殊记,加th从4起 (first,second,third,fourth)
8少t,9去e,千万别忘记 (eighth,ninth) 逢5逢12,ve变f (fifth,twelfth)
20到90,y要变ie (twentieth,ninetieth) 若是几十几,前基后序别倒位 (ninety-first)
2.序数词常与定冠词the 连用。
练习:
①Henry has learned eight _________ French words this year.
red reds red of reds of
②The _________lesson is the most difficult one in Book Two. (twenty)