free的ing形式为什么不去e?
那可不一定。
以-ee,-oe,-ye结尾的动词加-ing时应保留词尾e:
see—seeing,flee—fleeing,free—freeing,agree—agreeing,hoe—hoeing, dye—dyeing,eye—eyeing
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—clueing或cluing
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