限定词是在名词词组中对名词中心词起特指、类指以及表示确定数量和非确定数量等限定作用的词类.英语的限定词包括：定冠词（DEFINTITE ARTICLE〕,不定冠词（INDEFINITE ARTICLE〕,零冠词（ZERO ARTICLE〕
物主限定词（POSSESSIVE DETERMINER〕,my,your,his,her,our,your,their,one's,its.
名词属格（GENITIVE NOUN〕,John's,my friend's.
指示限定词（DEMONSTRATIVE DETERMINER〕,this,that,these,those,such.
关系限定词（RELATIVE DETERRMINER〕,whose,which.
疑问限定词（INTERROGATIVE DETERMINER〕,what,which,whose.
不定限定词（INDEFINITE DETERMINER〕,no,some,any,each,every,enough,either,neither,all,both,half,several,many,much,(a) few,(a) little,other,another.
基数词（CARDINAL NUMERAL〕和序数词（ORDINAL NUMERAL〕
倍数词（MULTIPLICATIVE NUMERAL〕和分数词（FRACTIONAL NUMERAL〕
量词（QUANTIFIER〕a lot of,lots of,plenty of,a great of,a good deal of,a large of,a small amount of,a quantity of,a great of,a good number of等.
非限定动词有三种：不定式（to Do或do）、动名词（doing）和分词（现在分词doing和过去分词done）.
