Adult learners can succeed in acquiring a native-like pronunciation with their efforts and artificial instructions.
 
While it is believed that children need to learn a second language before their critical period in order to acquire a natural pronunciation in informal daily learning, it is also true that some children fail to acquire a native-like proficiency under the influence of their first language.
 

Interestingly, integratively motivated learners with positive attitudes towards the target culture are better at picking up pronunciation and accent. These learners often communicate more with foreign language speakers, and are more exposed to spoken language. Also, an empathy towards those speakers can compel learners to accurately imitate speech.

Follow a sentence several times while listening
until you are comfortable with its pronunciation in the context of the sentences.
 
 Conversely, once learners accept the idea of
the critical period, they should not stick to the view that a native-like pronunciation is essential for their communicative skills.
 
 
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私のコンピュータでpronunciationで検索してみて出て来た例文をはめ込んでみたんですけど。