Not is often shortened to n't in spoken English, and added to the auxiliary or modal verb. For example, ‘did not’ is often shortened to ‘didn't’. not在口语中常略作 n't，用在助动词或情态动词后，例如：did not 常略作 didn't。
英英释义
1.negation of a word or group of words
e.g. he does not speak French she is not going they are not friends not many not much not at all
