动词后加-ing的规则.doc

动词后加-,通常就是在原形词尾直接加ing构成:cough—coughing,climb—climbing,stand—standing,fight—(1)如果动词原形以一辅音加一不发音得e结尾,一般应去掉e再加ing:write—writing,hope—hoping,care—caring,stare—staring,plane—planing,have—having,save—saving,produce—producing,breathe—breathing(2)以ie结尾得动词应先将e去掉,将i变成y然后再加ing:die—dying,tie—tying,vie—vying,lie—lying(3)以ee,-oe,-ye结尾得动词加ing时应保留词尾e:see—seeing,flee—fleeing,free—freeing,agree—agreeing,hoe—hoeing,dye—dyeing,eye—eyeing(4)以ue结尾得动词大多应先去e再加ing:sue—suing,imbue—imbuing,construe—construing,pursue—pursuing,rue—ruing有时,词尾e可去掉也可保留:glue—gluing或glueing,cue—cuing或cueing,blue—blueing或bluing,true—truing或trueing,clue—(1)如果动词最后一音节为重读闭音节,最后一个字母需要重复:run—running,stop—stopping,hop—hopping,plan—planning,star—starring,control—controlling但辅音x就是个例外,无需重复(x其实起着两个辅音得作用):tax—taxing,relax—relaxing(2)如果动词最后一个音节为次重读音节,最后一个字母有时也重复:kidnap—kidnapping或kidnaping,program—programming或programing(3)如果动词最后一个音节为非重读音节,最后一个字母大多无需重复:open—opening,offer—offering,audit—auditing但在有些动词中,重复或不重复均可:worship—worshiping或worshipping,focus—focusing或focussing,cancel—canceling或cancelling,travel—traveling或travelling以非重读得el结尾得动词加ing时,英国英语****惯于重复词尾l,而美国英语则****惯于不重复1。(y或w)结尾,可直接加ing:pay—paying,throw—throwing,follow—following,draw—drawing,employ—:frolic—frolicking,panic—panicking,mimic—mimicking,ic—icking,traffic—trafficking这主要就是为在动词后加ing