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（DEFINTITEARTICLE〕，不定冠词（INDEFINITEARTICLE〕，零冠词（ZEROARTICLE〕

物主限定词（POSSESSIVEDETERMINER〕：my,your,his,her,our,your,their,one's,its.

名词属格（GENITIVENOUN〕：John's,myfriend's.

指示限定词（DEMONSTRATIVEDETERMINER〕：this,that,these,those,such.

关系限定词（RELATIVEDETERRMINER〕：whose,which.

疑问限定词（INTERROGATIVEDETERMINER）：what,which,whose.

不定限定词（INDEFINITEDETERMINER〕：no,some,any,each,every,enough,either,neither,all,both,half,several,many,much,(a)few,(a)little,other,another.

基数词（CARDINALNUMERAL〕和序数词（ORDINALNUMERAL〕

倍数词（MULTIPLICATIVENUMERAL）和分数词（FRACTIONALNUMERAL）

量词（QUANTIFIER）：alotof,lotsof,plentyof,agreatof,agooddealof,alargeof,asmallamountof,aquantityof,agreatof,agoodnumberof等。