动词后面加ing和ion是形成句词的一种方式，举一个例：“act “的基本解释“行动”+后缀=ion =action “行动”名词,
在动词词尾加-ing变成名词 方法与动词变为
现在分词的方法相同
在动词词尾加上-(t)ion/(s)ion变成名词
例如: attract—attraction; instruct—instruction; invent—invention
discuss—discussion; express—expression
educate—education; graduate—graduation; operate—operation (去e再加"ion")
compete—competition; organize—organization (把e改成其他字母再加"tion")
decide—decision conclude—conclusion (把de改为s再加"ion")
describe—description描写,描绘 (这是特例,不规则变化)
在动词词尾加-ing变成名词
例如:meet—meeting build—building wait—waiting
bathe—bathing say—saying(谚语) mean—meaning
end —ending train —training wash—washing
注意:以
重读闭音节结尾,且末尾只有一个
辅音字母的动词,应双写末尾的辅音字母,再加-ing
如:swim—swimming shop—shopping begin—beginning
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