didn't加v是指didn't后接动词原形。与助动词did一起构成谓语的动词,要用原形。同理didn't后也要用原形。例如
1.He once told an interviewer that he didn't even like rock music.
他曾告诉一位采访者,他甚至都不喜欢摇滚乐。
2.I didn't get a wink of sleep on the aeroplane.
我在飞机上没合一下眼。
3.I didn't know Ron had that much strength of character.
我当时不知道罗恩有那么坚强的个性。
did not 的常用口语形式,是没有的意思。(did not 的常用口语形式)
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