音标/i:/:
1.ee或ea:agree、see、tree、meet、feet、green、three、eat、seat、team
2.以“e + 辅音+ e”结尾的重读开音节:these, evening, Chinese, Japanese
3. 其他字母组合 : key, people
音标/i/
1.字母i在重读闭音节中: swim,big,him,give,,ill,think,miss,this,sit,
2.字母u:busy;
3. 字母y:system;
4. 字母组合ui:building;