A 动词以单一的e字母结尾时,去掉e再加ing:
argue,arguing
hate,hating
love,loving
age,dye,和singe除外:
ageing dyeing singeing
动词以ee结尾时,直接加ing:
agree,agreeing
see,seeing
B 单音节动词中只有一个元音字母并以单一辅音字母结尾时,则先双写该辅音字母再加ing:
hit,hitting
run,running
stop,stopping
两个或两个以上音节的动词,如果它的最后一个音节只含有一个元音字母而又以单一辅音字母结尾,重音又落在这个音节上,就要双写该辅音字母,然后加ing:
admit,admitting
begin,beginning
prefer,preferring
但是:
budget,budgeting
enter,entering(重音不在最后音节上)
单一元音字母后的结尾字母l总要双写:
signal,signalling
travel,travelling
在美国英语中,这种情况下l不双写。
C 以y结尾的动词可以直接加ing,该词的拼写不受任何影响:
carry,carrying
enjoy,enjoying
hurry,hurrying
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