肯定句变否定句及疑问句要变化的一些词1
some变为any
如：Therearesomebirdsinthetree
→Therearen'tanybirdsinthetree
但是，若在表示请邀请、请求的句子中，some可以不变
如：Wouldyoulikesomeorangejuice
与此相关的一些不定代词如something,somebody等也要进行相应变化
and变为or
如：Ihaveaknifeandaruler
→Idon'thaveaknifeoraruler
alotof(=lotsof)变为many或much
如：Theyhavealotoffriends
（可数名词）→Theydon'thavemanyfriends
Thereislotsoforangeinthebottle
（不可数名词）→Thereisn'tmuchorangeinthebottle
already变为yet
如：Ihavebeentherealready
→Ihaven'tbeenthereyet
